WO200299916-A2 -- EP1087455-A2   TOSHIBA KK (TOKE)   YONETSU M,  TAKASHITA M,  SUMINO H;  FR2793450-A1   PEUGEOT CITROEN AUTOMOBILES SA (CITR)   GABORIAU B,  CHESNEL N,  PEGEOT V;  GB1534015-A   ;  US5573866-A   INT FUEL CELLS CORP (ITFU)   MARICLE D L,  VAN DINE L L;  US5759712-A   HOCKADAY R G (HOCK-Individual)   HOCKADAY R G;  US6137280-A   SCI APPL INT CORP (SCPP)   ACKERMANN E,  HICKS W L;  WO2000035032-A1   ;  WO2000052779-A1   ;  US7005206-B2 -- EP34248-A   ;  EP68508-A   HITACHI LTD (HITA)   KAWANA H,  HORIBA T,  IWAMOTO K,  FUJITA K,  TAMURA K;  EP310860-A   ;  EP337626-A   ;  EP574791-A2   HOECHST AG (FARH)   HELMER-METZMANN F,  OSAN F,  SCHNELLER A,  RITTER H,  LEDJEFF K,  NOLTE R,  THORWIRTH R;  EP1087455-A2   TOSHIBA KK (TOKE)   YONETSU M,  TAKASHITA M,  SUMINO H;  FR2793450-A1   PEUGEOT CITROEN AUTOMOBILES SA (CITR)   GABORIAU B,  CHESNEL N,  PEGEOT V;  GB1534015-A   ;  US3368922-A   MONSANTO RES CORP (MONS);  US4192907-A   UNITED TECHNOLOGIES CORP (UNAC)   JALAN V M,  LANDSMAN D A,  LEE J M;  US4242421-A   ;  US4262063-A   HITACHI LTD (HITA)   KUDO T,  KIKUCHI G,  OBAYASHI H;  US4316944-A   UNITED TECHNOLOGIES CORP (UNAC)   LANDSMAN D A,  LUCZAK F J;  US4373014-A   UNITED TECHNOLOGIES CORP (UNAC)   LANDSMAN D A,  LUCZAK F J;  US4390603-A   HITACHI LTD (HITA)   KAWANA H,  HORIBA T,  IWAMOTO K,  FUJITA K,  TAMURA K;  US4395322-A   GENERAL ELECTRIC CO (GENE)   HARRIS L A;  US4407904-A   HITACHI LTD (HITA);  HITACHI CHEM CO LTD (HITB)   UOZUMI N,  YAMAGATA T,  YASUKAWA S,  TSUTSUMI Y,  ONO S;  US4407905-A   HITACHI LTD (HITA)   TAKEUCHI S,  KAHARA T,  IMAHASHI J,  TAKEUCHI M,  OKADA H,  OKABE S,  MATSUDA S;  US4413041-A   GRACE & CO W R (GRAC)   HEGEDUS L;  US4417969-A   DOW CHEM CO (DOWC)   EZZELL B R,  CARL W P,  MOD W A;  US4420544-A   CALIFORNIA INST OF TECHN (CALY)   LAWSON D D,  INGHAM J D;  US4446210-A   HITACHI LTD (HITA)   OKADA H,  IMAHASHI J,  TAKEUCHI S,  OKABE S,  KAHARA T,  ISHII K,  TAKEUCHI M,  MATSUDA S,  TAMURA K,  HIDA H;  US4447506-A   UNITED TECHNOLOGIES CORP (UNAC);  INT FUEL CELLS CORP (ITFU)   LUCZAK F J,  LANDSMAN D A;  US4456521-A   DIAMOND SHAMROCK CORP (DIAS)   SOLOMON F,  GRUN C;  US4476002-A   UNION CARBIDE CORP (UNIC)   HOWARD R A,  SARANGARAN S,  EDWARDS L G;  US4478917-A   HITACHI LTD (HITA)   FUJITA K,  TAMURA K,  KAWANA H,  IWAMOTO K,  HORIBA T;  US4481266-A   LOCKHEED MISSILES & SPACE CO (LOCK)   LITTAUER E L,  MOMYER W R;  US4508793-A   SANYO ELECTRIC CO (SAOL)   KUMETA M,  MATSUOKA K;  US4524113-A   UNITED TECHNOLOGIES CORP (UNAC)   LESIEUR R R;  US4537840-A   HITACHI LTD (HITA)   TSUKUI T,  SHIMIZU T,  DOI R,  TSUTSUMII Y;  US4542079-A   HITACHI LTD (HITA)   TAKEUCHI M,  TOBITA H,  OKABE S,  OKADA H,  TONAMI M;  US4562123-A   HITACHI LTD (HITA)   SHIMIZU T,  SATOU T,  TSUKUI T,  DOI R,  YAMAGUCHI M;  US4576877-A   ELECTROCHEM ENERGIECONVERSIE (ELEC-Non-standard)   ALFENAAR M;  US4612261-A   HITACHI LTD (HITA)   TSUKUI T,  SHIMIZU T,  DOI R;  US4614692-A   HITACHI LTD (HITA)   KAJIYAMA H,  MINEMURA T,  ANDO H,  KONNO K;  US4614837-A   ALLIED CORP (ALLC)   KANE R P,  LILLIE E D,  NEIDIG J D;  US4629664-A   HITACHI LTD (HITA)   TSUKUI T,  YASUKAWA S;  US4640873-A   SANYO ELECTRIC CO (SAOL)   TAJIMA O,  YAMADA M,  HAGINO H,  NISHIZAWA N;  US4642274-A   SANYO ELECTRIC CO (SAOL);  TSUTSUMI M (TSUT-Individual)   TSUTSUMI M,  HAGINO H,  GOTO K,  FUJIWARA O;  US4643806-A   GRACE & CO W R (GRAC);  MASACHUSETTS INST TECHN (MASI);  HEGEDUS L (HEGE-Individual);  MASSACHUSETTS INST TECHNOLOGY (MASI)   HEGEDUS L,  VAYENAS C,  MICHAELS J;  US4647359-A   PROTOTECH INC (PROW)   LINDSTROM R W;  US4670359-A   ENGELHARD MINERALS CORP (ENGH)   BESHTY B S,  WHELAN J A;  US4670702-A   SANYO ELECTRIC CO (SAOL)   YAMADA M,  TSUKAMOTO K;  US4673624-A   HOCKLEY CHEM CO LTD (HOCK)   HOCKADAY R G;  US4680240-A   SANYO ELECTRIC CO (SAOL)   FURUKAWA S,  MURAKAMI S,  NISHIOKA M;  US4686157-A   SANYO ELECTRIC CO (SAOL);  MIYAKE Y (MIYA-Individual)   MIYAKE Y,  NISHIOKA M,  ITO Y;  US4702973-A   INST GAS TECHNOLOGY (IGTE)   MARIANOWSK L G;  US4716087-A   NIPPON ENGELHARD KK (ENGH)   ITO T,  MATSUZAWA S,  KATO K;  US4755272-A   DOW CHEM CO (DOWC)   PLOWMAN K R;  US4761209-A   AQUANAUTICS CORP (AQUA-Non-standard)   BONAVENTUR J,  BONAVENTUR C,  ZENNER B D,  ANDERSON C W,  VANRYZIN J C;  US4761349-A   UNIV CHICAGO (UYCG)   MCPHEETERS C C,  MRAZEK F C;  US4769296-A   BASF AG (BADI)   STERZEL H J;  US4774152-A   MITSUBISHI DENKI KK (MITQ)   MATSUMURA M,  OKADA T,  KOTOGAMI Y;  US4774153-A   BASF AG (BADI)   STERZEL H J;  US4794054-A   NIPPON ENGELHARD KK (ENGH)   ITO T,  MATSUZAWA S,  KATO K;  US4808493-A   INT FUEL CELLS CORP (ITFU)   BREAULTT R D;  US4820594-A   HITACHI LTD (HITA)   SUGITA S,  KOYAMA K H N,  SHIIN A K,  SAKAGUCHI S,  KURODA M,  NOGUCHI Y;  US4828941-A   BASF AG (BADI)   STERZEL H J;  US4855193-A   UNITED TECHNOLOGIES CORP (UNAC)   MCELROY J F;  US4865906-A   SMITH W N (SMIT-Individual)   SMITH W N;  US4865925-A   HUGHES AIRCRAFT CO (HUGA)   LUDWIG F A,  TOWNSEND C W;  US4876115-A   US DEPT ENERGY (USAT)   RAISTRICK I D;  US4937220-A   INT FUEL CELLS CORP (ITFU)   NICKOLS R C;  US4970128-A   NE CHEMCAT CORP (NECH-Non-standard)   ITOH T,  KATO K;  US4985386-A   TANAKA KIKINZOKU KOGYO KK (TANI)   TSURUMI K,  NAKAMURA T,  SATO A;  US4988582-A   BELL COMMUNICATIONS (TELF)   DYER C K;  US5004424-A   JOHNSON MATTHEY PLC (JOHO)   LARMINIE J;  US5019463-A   YAMAHA HATSUDOKI KK (YMHA)   MATSUBARA H,  MIZUNO Y,  HANAJIMA T;  US5024905-A   NE CHEMCAT CORP (NECH-Non-standard)   ITOH T,  KATOH K;  US5034288-A   ASEA BROWN BOVERI A (ALLM)   BOSSEL U;  US5035962-A   WESTINGHOUSE ELECTRIC CORP (WESE)   JENSEN R R;  US5061581-A   SRI INT (STRI)   NARANG S C,  MACDONALD D D;  US5068161-A   JOHNSON MATTHEY PLC (JOHO)   BUCHANAN J S,  HARDS G A,  KECK L;  US5079107-A   GINER INC (GINE-Non-standard)   JALAN V M;  US5084144-A   PHYSICAL SCIENCES I (PHYS-Non-standard)   VILLAMBIRE N R K,  ANDERSON E B,  TAYLOR E J;  US5094928-A   BELL COMMUNIC RES (BELL-Non-standard)   DYER C K;  US5102750-A   BELL COMMUNICATIONS (TELF)   TAYLOR T M;  US5102751-A   SRI INT (STRI)   NARANG S,  GANAPATHIA S;  US5132193-A   PHYSICAL SCI INC (PHYS-Non-standard)   REDDY V N R,  TAYLOR E J;  US5171644-A   DOW CHEM CO (DOWC)   TSOU Y M,  EISMAN G A,  DOOR R D;  US5178971-A   NE CHEMCAT CORP (NECH-Non-standard)   ITOH T,  KATOH K,  KAMITOMAI S;  US5183713-A   INT FUEL CELLS CORP (ITFU)   KUNZ H R;  US5186877-A   TANAKA KIKINZOKU KOGYO KK (TANI)   WATANABE M;  US5189005-A   TANAKA KIKINZOKU KOGYO KK (TANI);  STONEHART ASSOC INC (STON-Non-standard)   WATANABE M,  STONEHART P,  TSURUMI K,  YAMAMOTO N,  HARA N,  NAKAMURA T;  US5208207-A   TANAKA KIKINZOKU KOGYO KK (TANI);  JAPAN & STONEHART ASSOC INC (NIST-Non-standard)   STONEHART P,  WATANABE M,  YAMAMOTO N,  NAKAMURA T,  HARA N,  TSURUMI K;  US5225391-A   TANAKA KIKINZOKU KOGYO KK (TANI);  STONEHART ASSOC INC (STON-Non-standard)   STONEHART P,  YAMAMOTO N,  TSURUMI K,  NAKAMURA T,  HARA N;  US5229222-A   SANYO ELECTRIC CO (SAOL)   TSUTSUMI M,  NISHIZAWA N,  ITOH T,  MATSUBAYASHI T,  YONESAKI T,  SATOH K,  FURUKAWA A,  YONEZU I,  FUJITANI S,  NASAKO K,  SAITO T,  SATO K;  US5234772-A   ;  US5234777-A   US DEPT ENERGY (USAT)   WILSON M S;  US5238754-A   SANYO ELECTRIC CO (SAOL)   YASUO T,  AKIYAMA Y,  ISHIDA N,  MURAKAMI S,  SAITOH T;  US5252410-A   BALLARD POWER SYSTEMS INC (BLRD)   WILKINSON D P,  VOSS H H,  PRATER K B;  US5262250-A   TANAKA KIKINZOKU KOGYO KK (TANI);  WATANABE M (WATA-Individual)   WATANABE M;  US5271917-A   ;  US5284718-A   BALLARD POWER SYSTEMS INC (BLRD)   RAMJI S,  WASHINGTON K B,  CHOW C Y,  WATKINS D S;  US5284878-A   AIR PROD & CHEM INC (AIRP)   STUDER D W,  SCHAUB E S;  US5294317-A   TDK CORP (DENK)   SAITO H,  KAWASHIMA Y,  OHE K;  US5294580-A   INT FUEL CELLS CORP (ITFU)   DUFNER B F;  US5298343-A   ECOLE POLYTECHNIQUE MONTREAL (ECOL-Non-standard)   ESSALIK A,  SAVADOGO O;  US5302471-A   SANYO ELECTRIC CO (SAOL)   FURUSE A,  HAMADA A,  NISHIZAWA N,  ITO T;  US5312876-A   US SEC OF AIR FORCE (USAF)   DANG T D,  ARNOLD F E;  US5312895-A   US SEC OF AIR FORCE (USAF)   DANG T D,  ARNOLD F E;  US5314760-A   DOW CHEM CO (DOWC)   EISMAN G A,  TSOU Y,  DOOR R D;  US5314762-A   SANYO ELECTRIC CO (SAOL)   ODA T,  NISHIZAWA N,  WATANABE A,  MATSUBAYASHI T,  HAMADA A,  MUKAI H,  FURUKAWA I;  US5316643-A   FRAUNHOFER-GES FORD ANGE (FRAU)   AHN J,  LEDIEFF K;  US5330860-A   DU PONT DE NEMOURS & CO E I (DUPO)   GROT W G,  BANERJEE S;  US5334463-A   SANYO ELECTRIC CO LTD (SAOL)   YAMAMOTO S,  YONEDA F,  SHINDO K,  TAJIMA O,  SUMI S;  US5346780-A   TOSHIBA KK (TOKE)   SUZUKI N;  US5366820-A   SANYO ELECTRIC CO (SAOL)   TSUTSUMI M,  NISHIZAWA N,  ITOH T,  MATSUBAYASHI T,  YONESAKI T,  SATOH K,  FURUKAWA A,  YONEZU I,  FUJITANI S,  NASAKO K,  SAITO T,  SATO K;  US5367051-A   SRI INT (STRI)   BHARDWAJ T R,  NIGAM A,  GANAPATHIAPPAN S,  NARANG S C,  VENTURA S C;  US5378508-A   AKZO NOBEL NV (ALKU);  UNIV NORTHWESTERN (NOUN)   PARR W J,  VAN DUYNE R P,  NATAN M J,  FRANKLIN R,  SHENG K C,  CASTRO A J,  BIANCHINI R J;  US5384208-A   DEUT AEROSPACE AG (DAIM)   BRAND R,  HOFMANN H,  HILDEBRANDT J;  US5403675-A   MAXDEM INC (MAXD-Non-standard)   OGATO N,  RIKUKAWA M;  US5432023-A   TOSHIBA KK (TOKE)   YAMADA S,  KANDA M,  YAMAMOTO M,  SUZUKI N,  KANAZAWA R,  MOTOMIYA A,  KONDO T,  UCHIDA T,  HASHIMOTO K,  NIKI H,  SASAKI K,  TSURUTA S;  US5438082-A   HOECHST AG (FARH)   HELMER-METZMANN F,  OSAN F,  SCHNELLER A,  RITTER H,  LEDJEFF K,  NOLTE R,  THORWIRTH R;  US5468574-A   DAIS CORP (DAIS-Non-standard)   RIDER J N,  SERPICO J,  EHRENBERG S G,  WNEK G E;  US5472799-A   TANAKA KIKINZOKU KOGYO KK (TANI);  WATANABE M (WATA-Individual);  STONEHART ASSOC INC (STON-Non-standard)   WATANABE M;  US5480735-A   INT FUEL CELLS CORP (ITFU)   PLASSE P A,  LANDSMAN D A;  US5488087-A   DOW CORNING CORP (DOWO)   CABASSO I,  GRAIVER D;  US5489563-A   DEGUSSA AG (DEGS)   BRAND R,  FREUND A,  LANG J,  LEHMANN T,  OHMER J,  TACKE T,  HEINZ G,  SCHWARZ R;  US5501915-A   JOHNSON MATTHEY PLC (JOHO)   HARDS G A,  RALPH T R;  US5503944-A   INT FUEL CELLS CORP (ITFU)   MARGIOTT P R,  MEYER A P,  SCHEFFLER G W;  US5505851-A   HOECHST AG (FARH)   WAGENER R,  HELMER-METZMANN F,  HERRMANN-SCHOENHERR O;  US5523177-A   GINER INC (GINE-Non-standard)   LACONTI A B,  KOSEK J A,  CROPLEY C C;  US5525436-A   UNIV CASE WESTERN RESERVE (UCWR)   SAVINELL R F,  LITT M H;  US5525568-A   HITACHI LTD (HITA)   YAMAGUCHI M,  KOBAYASHI K,  MATSUO H,  UOZUMI S;  US5540981-A   ROHM & HAAS CO (ROHM)   GALLAGHER M K,  MANZIEK L,  LANGENMAYR E J;  US5541015-A   SANYO ELECTRIC CO LTD (SAOL)   MIYAI K,  HAMADA A,  YOSHIMOTO Y,  NISHIZAWA N,  NAKATO K,  HORI K,  TSUTSUMI M,  TAJIMA O,  IKENAGA T,  TANAKA J;  US5547911-A   DU PONT DE NEMOURS & CO E I (DUPO)   GROT W;  US5548055-A   SRI INT (STRI)   NARANG S C,  VENTURA S C;  US5561202-A   HOECHST AG (FARH)   HELMER-METZMANN F,  OSAN F,  SCHNELLER A,  RITTER H,  LEDJEFF K,  NOLTE R,  THORWIRTH R;  US5573866-A   INT FUEL CELLS CORP (ITFU)   MARICLE D L,  VAN DINE L L;  US5576074-A   MINNESOTA MINING & MFG CO (MINN)   MORGAN D A,  WEIGEL D C;  US5599638-A   UNIV SOUTHERN CALIFORNIA (USCA);  CALIFORNIA INST OF TECHNOLOGY (CALY)   FRANK H A,  NARAYANAN S R,  OLAH G A,  PRAKASH G K S,  SURAMPUDI S,  VAMOS E,  HALPERT G;  US5616431-A   KANSAI DENRYOKU KK (KANT);  MITSUBISHI ELECTRIC CORP (MITQ)   KUSUNOKI H,  OTSUKI S,  KIKUOKA Y,  OKADA T,  MATSUMURA M,  SHINOKI T,  MUKAI M,  YAGI T;  US5627737-A   SANYO ELECTRIC CO LTD (SAOL)   MAKINO Y,  INOIE T,  YUGOU M,  MAEKAWA M;  US5631099-A   HOCKADAY R G (HOCK-Individual)   HOCKADAY R G;  US5633098-A   SRI INT (STRI)   NARANG S C,  VENTURA S C;  US5635039-A   LYNNTECH INC (LYNN-Non-standard)   HITCHENS G D,  MURPHY O J,  CISAR A J,  GONZALEZ-MARTIN A;  US5641586-A   UNIV CALIFORNIA OFFICE TECHNOLOGY (REGC)   WILSON M S;  US5643690-A   TOSHIBA KK (TOKE)   TATEISHI H,  OZU H,  AKASAKA Y,  NAKAGAWA K,  TOMIMATSU M;  US5670266-A   MOTOROLA INC (MOTI)   MORE G,  THOMAS G,  FERNANDEZ J M;  US5672439-A   BALLARD POWER SYSTEMS INC (BLRD)   WILKINSON D P,  JOHNSON M C,  COLBOW K M,  CAMPBELL S A;  US5683829-A   SARANGAPANI S (SARA-Individual)   SARANGAPANI S;  US5700595-A   INT FUEL CELLS CORP (ITFU)   REISER C;  US5702836-A   UNIV MASSACHUSETTS (UMAC)   KOWALAK A D,  MA C;  US5702838-A   MATSUSHITA ELECTRIC IND CO LTD (MATU)   YASUMOTO E,  HATOH K,  GAMOU T;  US5723229-A   MOTOROLA INC (MOTI)   WYATT K W,  CHASON M K,  SCHEIFERS S M,  KLOSTERMAN D H;  US5731104-A   SRI INT (STRI)   VENTURA S C,  NARANG S,  HUM G,  LIU P,  RANGANATHAN P,  SUN L;  US5741408-A   HOECHST AG (FARH)   HELMER-METZMANN F,  OSAN F,  SCHNELLER A,  RITTER H,  LEDJEFF K,  NOLTE R,  THORWIRTH R;  US5759712-A   HOCKADAY R G (HOCK-Individual)   HOCKADAY R G;  US5773162-A   CALIFORNIA INST OF TECHNOLOGY (CALY)   SURAMPUDI S,  FRANK H A,  NARAYANAN S R,  CHUN W,  JEFFRIES-NAKAMURA B,  KINDLER A,  HALPERT G;  US5773480-A   BALLARD POWER SYSTEMS INC (BLRD)   STECK A E,  WEI J,  STONE C;  US5789093-A   TEXAS INSTR INC (TEXI)   MALHI S;  US5795496-A   CALIFORNIA INST OF TECHNOLOGY (CALY)   YEN S S,  NARAYANAN S R,  HALPERT G,  GRAHAM E,  YAVROUIAN A;  US5798187-A   UNIV CALIFORNIA (REGC)   WILSON M S,  ZAWODZINSKI C;  US5804325-A   WESTFIELD TRADING CORP (WEST-Non-standard)   YEPEZ O;  US5834523-A   BALLARD POWER SYSTEMS INC (BLRD)   STECK A E,  STONE C;  US5834566-A   HOECHST AG (FARH)   HELMER-METZMANN F,  SCHNELLER A;  US5846615-A   ;  US5856036-A   ILLINOIS INST TECH (ILLV)   SMOTKIN E S,  LEY K L,  PU C,  LIU R;  US5858568-A   ZTEK CORP (ZTEK-Non-standard)   HSU M S,  ONG R Y;  US5863673-A   BALLARD POWER SYSTEMS INC (BLRD)   CAMPBELL S A,  STUMPER J,  WILKINSON D P,  DAVIS M T;  US5874182-A   BALLARD POWER SYSTEMS INC (BLRD)   WILKINSON D P,  JOHNSON M C,  COLBOW K M,  CAMPBELL S A;  US5876867-A   NE CHEMCAT CORP (NECH-Non-standard)   ITOH T,  KATOH K,  HASHIMOTO T;  US5885338-A   SRI INT (STRI)   KHURANA J M,  NIGAM A;  US5886890-A   SANYO ELECTRIC CO LTD (SAOL)   ISHIDA T,  HAGIWARA R,  KOZUMA S,  KISHI H;  US5894038-A   WHITAKER CORP (WHTR)   SHARMA S K,  BHASIN K K,  NARANG S C,  NIGAM A;  US5904740-A   MOTOROLA INC (MOTI)   DAVIS J L;  US5906716-A   HOECHST AG (FARH)   MERTESDORF P,  SCHNELLER A,  WAGENER R,  WITTELER H;  US5916699-A   MOTOROLA INC (MOTI)   MORE G,  THOMAS G,  FERNANDEZ J M;  US5916702-A   EXXON RES & ENG CO (ESSO)   MARUCCHI-SOOS E,  ROBBINS J L,  BELLOWS R J,  BUCKLEY D T;  US5922487-A   WATANABE M (WATA-Individual);  STONEHART ASSOC INC (STON-Non-standard);  TANAKA KIKINZOKU KOGYO KK (TANI)   WATANABE M,  YAMAMOTO Y;  US5928806-A   OLAH G A (OLAH-Individual);  PRAKASH G K S (PRAK-Individual)   OLAH G A,  PRAKASH G K S;  US5945231-A   CALIFORNIA INST OF TECHNOLOGY (CALY)   SURAMPUDI S,  HALPERT G,  NARAYANAN S;  US5952119-A   UNIV CALIFORNIA (REGC)   WILSON M S;  US5954928-A   CHLORINE ENGINEERS CORP LTD (CHLR)   KISHI T,  ARIMOTO O;  US5958616-A   LYNNTECH INC (LYNN-Non-standard)   SALINAS C,  MURPHY O J,  MOADDEL H,  WENG D,  SIMPSON S F,  FRANASZCZUK K;  US5961814-A   KEARNS K M (KEAR-Individual)   KEARNS K M;  US5973025-A   SRI INT (STRI)   NIGAM A,  NARANG S,  YOKOI S,  GANAPATHIAPPAN S,  KHURANA J M;  US5976725-A   MATSUSHITA ELECTRIC IND CO LTD (MATU)   GAMO T,  KURANAKA S,  MORITA Y,  SUZUKI J,  HAMANISHI M,  NAGAI S,  HATOH K,  YASUMOTO E;  US5980998-A   SRI INT (STRI)   SHARMA S,  ANNAVAJJULA D,  BASHIN S,  NARANG S,  NIGAM A;  US5981095-A   LEDDY J (LEDD-Individual);  AMARASINGHE S (AMAR-Individual);  ZOOK L A (ZOOK-Individual);  TINOCO F (TINO-Individual)   LEDDY J,  AMARASINGHE S,  ZOOK L A,  TINOCO F;  US5984986-A   DAIMLER-BENZ AG (DAIM)   WIESHEU N,  DUELK C,  AUTENRIETH R,  BENZ U;  US5985942-A   BALLARD POWER SYSTEMS INC (BLRD)   STECK A E,  STONE C;  US5992008-A   CALIFORNIA INST OF TECHNOLOGY (CALY)   KINDLER A,  DAWSON S F;  US5993984-A   MITSUBISHI DENKI KK (MITQ)   MATSUMURA M,  SHINOKI T;  US5998599-A   ;  US6007930-A   FORD GLOBAL TECHNOLOGIES INC (FORD)   ADAMS J A,  SULEK M S,  SALOKA G S;  US6007934-A   DEGUSSA AG (DEGS)   AUER E,  FREUND A,  LEHMANN T,  STARZ K,  SCHWARZ R,  STENKE U;  US6010798-A   SIEMENS AG (SIEI)   HAMMERSCHMIDT A,  DOMKE W,  NOELSCHER C,  SUCHY P;  US6017650-A   DE NORA SPA (ORON)   RAMUNNI E,  KIENBERGER M;  US6040077-A   3M INNOVATIVE PROPERTIES CO (MINN)   STEINBACH A J,  THOMAS J H,  ZIEGLER R J,  DEBE M K,  HAUGEN G M;  US6045934-A   FUJI ELECTRIC CO LTD (FJIE)   ENAMI Y;  US6048473-A   DAIMLER-BENZ AG (DAIM)   WIESHEU N,  DUELK C,  GERBERICH R,  DENDA M;  US6057051-A   MATSUSHITA ELECTRIC IND CO LTD (MATU)   UCHIDA M,  FUKUOKA Y,  SUGAWARA Y,  EDA N;  US6057054-A   BALLARD POWER SYSTEMS INC (BLRD)   BARTON R H,  GIBB P R,  RONNE J A,  VOSS H H;  US6060190-A   BALLARD POWER SYSTEMS INC (BLRD)   CAMPBELL S A,  WILKINSON D P,  DAVIS M T,  STUMPER J;  US6066410-A   DEGUSSA AG (DEGS)   AUER E,  BEHL W,  LEHMANN T,  STENKE U;  US6068941-A   INT FUEL CELLS LLC (ITFU-Non-standard)   FULLER T F,  WHEELER D J;  US6071635-A   PLUG POWER LLC (PLUG-Non-standard)   CARLSTROM C M;  US6074773-A   BALLARD POWER SYSTEMS INC (BLRD)   WILKINSON D P,  CAMPBELL S A,  ROBERTS J A;  US6080501-A   MOTOROLA INC (MOTI)   KELLEY R J,  ARLEDGE J K,  MUTHUSWAMY S,  DAVIS J L,  PRATT S D;  US6080503-A   BALLARD POWER SYSTEMS INC (BLRD)   SCHMID O,  EINHART J;  US6090193-A   SRI INT (STRI)   NIGAM A,  NARANG S,  GANAPATHIAPPAN S,  KHURANA J M,  YOKOI S;  US6093502-A   PLUG POWER INC (PLUG-Non-standard)   CARLSTROM C M,  MAYNARD W B;  US6100600-A   PFLANZ T (PFLA-Individual)   PFLANZ T;  US6106965-A   MATSUDA KK (MAZD)   HIRANO S;  US6110613-A   INT FUEL CELLS CORP (ITFU)   FULLER T F;  US6110616-A   DAIS CORP (DAIS-Non-standard)   SHEIKH-ALI B M,  WNEK G E;  US6117222-A   ;  US6117579-A   MATSUSHITA ELECTRIC IND CO LTD (MATU)   GYOTEN H,  GAMOU T,  HATOH K,  YASUMOTO E;  US6127055-A   SIMMONS T C (SIMM-Individual)   SIMMONS T C;  US6137280-A   SCI APPL INT CORP (SCPP)   ACKERMANN E,  HICKS W L;  US20020045085-A1   ;  US20020091225-A1   ;  US20030129464-A1   ;  US6171444-B1   SRI INT (STRI)   NIGAM A;  US6241787-B1   SRI INT (STRI)   NIGAM A;  US6300381-B1   UNIV STUTTGART LEHRSTUHL & INST CHEM VER (UYST-Non-standard)   KERRES J,  CUI W;  US6309772-B1   DEGUSSA-HUELS AG (DEGS)   ZUBER R,  FEHL K,  STARZ K,  STENKE U;  US6326097-B1   HOCKADAY R G (HOCK-Individual);  TURNER P S (TURN-Individual);  MASLOW M (MASL-Individual);  COOPER M (COOP-Individual)   HOCKADAY R G,  TURNER P S,  MASLOW M,  COOPER M;  US6326099-B1   EVEREADY BATTERY CO INC (EVEY)   SCHUBERT M A;  US6460733-B2   ACKER W P (ACKE-Individual)   ACKER W P;  WO1995027759-A1   ;  WO1998022989-A1   ;  WO1999054389-A1   ;  WO2000009610-A1   ;  WO2000010736-A1   ;  WO2000024796-A1   ;  WO2000035032-A1   ;  WO2000052779-A1   ;  WO1999054407-A2   ;  WO2000022684-A2   ;  WO2000027513-A2   ;  US3013908-A   ;  US3113049-A   ;  US7316855-B2 -- DE10118744-A1   SIEMENS AG (SIEI)   MUND K;  EP34248-A   ;  EP68508-A   HITACHI LTD (HITA)   KAWANA H,  HORIBA T,  IWAMOTO K,  FUJITA K,  TAMURA K;  EP310860-A   ;  EP337626-A   ;  EP574791-A2   HOECHST AG (FARH)   HELMER-METZMANN F,  OSAN F,  SCHNELLER A,  RITTER H,  LEDJEFF K,  NOLTE R,  THORWIRTH R;  EP1087455-A2   TOSHIBA KK (TOKE)   YONETSU M,  TAKASHITA M,  SUMINO H;  EP1258936-A2   HITACHI LTD (HITA)   KAMO T,  OOHARA S,  YAMAGA K,  IMAHASHI J,  YOSHIKAWA M,  YAMADA N;  EP1324415-A2   MATSUSHITA ELECTRIC IND CO LTD (MATU)   HOJO N,  TANAKA A,  SHIBUTANI S,  OKADA Y;  EP1329972-A2   PRASED R (PRAS-Individual);  MANN L C (MANN-Individual);  TSANG J W (TSAN-Individual)   PRASED R,  MANN L C,  TSANG J W;  FR2793450-A1   PEUGEOT CITROEN AUTOMOBILES SA (CITR)   GABORIAU B,  CHESNEL N,  PEGEOT V;  GB1534015-A   ;  US2736356-A   ;  US3013908-A   ;  US3113049-A   ;  US3336753-A   ;  US3368922-A   MONSANTO RES CORP (MONS);  US3561639-A   ALLEN DW (ALL-Individual);  US4192907-A   UNITED TECHNOLOGIES CORP (UNAC)   JALAN V M,  LANDSMAN D A,  LEE J M;  US4242421-A   ;  US4262063-A   HITACHI LTD (HITA)   KUDO T,  KIKUCHI G,  OBAYASHI H;  US4316944-A   UNITED TECHNOLOGIES CORP (UNAC)   LANDSMAN D A,  LUCZAK F J;  US4373014-A   UNITED TECHNOLOGIES CORP (UNAC)   LANDSMAN D A,  LUCZAK F J;  US4390603-A   HITACHI LTD (HITA)   KAWANA H,  HORIBA T,  IWAMOTO K,  FUJITA K,  TAMURA K;  US4395322-A   GENERAL ELECTRIC CO (GENE)   HARRIS L A;  US4407904-A   HITACHI LTD (HITA);  HITACHI CHEM CO LTD (HITB)   UOZUMI N,  YAMAGATA T,  YASUKAWA S,  TSUTSUMI Y,  ONO S;  US4407905-A   HITACHI LTD (HITA)   TAKEUCHI S,  KAHARA T,  IMAHASHI J,  TAKEUCHI M,  OKADA H,  OKABE S,  MATSUDA S;  US4413041-A   GRACE & CO W R (GRAC)   HEGEDUS L;  US4417969-A   DOW CHEM CO (DOWC)   EZZELL B R,  CARL W P,  MOD W A;  US4420544-A   CALIFORNIA INST OF TECHN (CALY)   LAWSON D D,  INGHAM J D;  US4446210-A   HITACHI LTD (HITA)   OKADA H,  IMAHASHI J,  TAKEUCHI S,  OKABE S,  KAHARA T,  ISHII K,  TAKEUCHI M,  MATSUDA S,  TAMURA K,  HIDA H;  US4447506-A   UNITED TECHNOLOGIES CORP (UNAC);  INT FUEL CELLS CORP (ITFU)   LUCZAK F J,  LANDSMAN D A;  US4456521-A   DIAMOND SHAMROCK CORP (DIAS)   SOLOMON F,  GRUN C;  US4476002-A   UNION CARBIDE CORP (UNIC)   HOWARD R A,  SARANGARAN S,  EDWARDS L G;  US4478917-A   HITACHI LTD (HITA)   FUJITA K,  TAMURA K,  KAWANA H,  IWAMOTO K,  HORIBA T;  US4481266-A   LOCKHEED MISSILES & SPACE CO (LOCK)   LITTAUER E L,  MOMYER W R;  US4508793-A   SANYO ELECTRIC CO (SAOL)   KUMETA M,  MATSUOKA K;  US4524113-A   UNITED TECHNOLOGIES CORP (UNAC)   LESIEUR R R;  US4537840-A   HITACHI LTD (HITA)   TSUKUI T,  SHIMIZU T,  DOI R,  TSUTSUMII Y;  US4542079-A   HITACHI LTD (HITA)   TAKEUCHI M,  TOBITA H,  OKABE S,  OKADA H,  TONAMI M;  US4562123-A   HITACHI LTD (HITA)   SHIMIZU T,  SATOU T,  TSUKUI T,  DOI R,  YAMAGUCHI M;  US4576877-A   ELECTROCHEM ENERGIECONVERSIE (ELEC-Non-standard)   ALFENAAR M;  US4612261-A   HITACHI LTD (HITA)   TSUKUI T,  SHIMIZU T,  DOI R;  US4614692-A   HITACHI LTD (HITA)   KAJIYAMA H,  MINEMURA T,  ANDO H,  KONNO K;  US4614837-A   ALLIED CORP (ALLC)   KANE R P,  LILLIE E D,  NEIDIG J D;  US4629664-A   HITACHI LTD (HITA)   TSUKUI T,  YASUKAWA S;  US4640873-A   SANYO ELECTRIC CO (SAOL)   TAJIMA O,  YAMADA M,  HAGINO H,  NISHIZAWA N;  US4642274-A   SANYO ELECTRIC CO (SAOL);  TSUTSUMI M (TSUT-Individual)   TSUTSUMI M,  HAGINO H,  GOTO K,  FUJIWARA O;  US4643806-A   GRACE & CO W R (GRAC);  MASACHUSETTS INST TECHN (MASI);  HEGEDUS L (HEGE-Individual);  MASSACHUSETTS INST TECHNOLOGY (MASI)   HEGEDUS L,  VAYENAS C,  MICHAELS J;  US4647359-A   PROTOTECH INC (PROW)   LINDSTROM R W;  US4670359-A   ENGELHARD MINERALS CORP (ENGH)   BESHTY B S,  WHELAN J A;  US4670702-A   SANYO ELECTRIC CO (SAOL)   YAMADA M,  TSUKAMOTO K;  US4673624-A   HOCKLEY CHEM CO LTD (HOCK)   HOCKADAY R G;  US4680240-A   SANYO ELECTRIC CO (SAOL)   FURUKAWA S,  MURAKAMI S,  NISHIOKA M;  US4686157-A   SANYO ELECTRIC CO (SAOL);  MIYAKE Y (MIYA-Individual)   MIYAKE Y,  NISHIOKA M,  ITO Y;  US4702973-A   INST GAS TECHNOLOGY (IGTE)   MARIANOWSK L G;  US4716087-A   NIPPON ENGELHARD KK (ENGH)   ITO T,  MATSUZAWA S,  KATO K;  US4755272-A   DOW CHEM CO (DOWC)   PLOWMAN K R;  US4761209-A   AQUANAUTICS CORP (AQUA-Non-standard)   BONAVENTUR J,  BONAVENTUR C,  ZENNER B D,  ANDERSON C W,  VANRYZIN J C;  US4761349-A   UNIV CHICAGO (UYCG)   MCPHEETERS C C,  MRAZEK F C;  US4769296-A   BASF AG (BADI)   STERZEL H J;  US4774152-A   MITSUBISHI DENKI KK (MITQ)   MATSUMURA M,  OKADA T,  KOTOGAMI Y;  US4774153-A   BASF AG (BADI)   STERZEL H J;  US4794054-A   NIPPON ENGELHARD KK (ENGH)   ITO T,  MATSUZAWA S,  KATO K;  US4808493-A   INT FUEL CELLS CORP (ITFU)   BREAULTT R D;  US4820594-A   HITACHI LTD (HITA)   SUGITA S,  KOYAMA K H N,  SHIIN A K,  SAKAGUCHI S,  KURODA M,  NOGUCHI Y;  US4828941-A   BASF AG (BADI)   STERZEL H J;  US4855193-A   UNITED TECHNOLOGIES CORP (UNAC)   MCELROY J F;  US4865906-A   SMITH W N (SMIT-Individual)   SMITH W N;  US4865925-A   HUGHES AIRCRAFT CO (HUGA)   LUDWIG F A,  TOWNSEND C W;  US4876115-A   US DEPT ENERGY (USAT)   RAISTRICK I D;  US4937220-A   INT FUEL CELLS CORP (ITFU)   NICKOLS R C;  US4970128-A   NE CHEMCAT CORP (NECH-Non-standard)   ITOH T,  KATO K;  US4985386-A   TANAKA KIKINZOKU KOGYO KK (TANI)   TSURUMI K,  NAKAMURA T,  SATO A;  US4988582-A   BELL COMMUNICATIONS (TELF)   DYER C K;  US5004424-A   JOHNSON MATTHEY PLC (JOHO)   LARMINIE J;  US5019463-A   YAMAHA HATSUDOKI KK (YMHA)   MATSUBARA H,  MIZUNO Y,  HANAJIMA T;  US5024905-A   NE CHEMCAT CORP (NECH-Non-standard)   ITOH T,  KATOH K;  US5034288-A   ASEA BROWN BOVERI A (ALLM)   BOSSEL U;  US5035962-A   WESTINGHOUSE ELECTRIC CORP (WESE)   JENSEN R R;  US5061581-A   SRI INT (STRI)   NARANG S C,  MACDONALD D D;  US5068161-A   JOHNSON MATTHEY PLC (JOHO)   BUCHANAN J S,  HARDS G A,  KECK L;  US5079107-A   GINER INC (GINE-Non-standard)   JALAN V M;  US5084144-A   PHYSICAL SCIENCES I (PHYS-Non-standard)   VILLAMBIRE N R K,  ANDERSON E B,  TAYLOR E J;  US5094928-A   BELL COMMUNIC RES (BELL-Non-standard)   DYER C K;  US5102750-A   BELL COMMUNICATIONS (TELF)   TAYLOR T M;  US5102751-A   SRI INT (STRI)   NARANG S,  GANAPATHIA S;  US5132193-A   PHYSICAL SCI INC (PHYS-Non-standard)   REDDY V N R,  TAYLOR E J;  US5171644-A   DOW CHEM CO (DOWC)   TSOU Y M,  EISMAN G A,  DOOR R D;  US5178971-A   NE CHEMCAT CORP (NECH-Non-standard)   ITOH T,  KATOH K,  KAMITOMAI S;  US5183713-A   INT FUEL CELLS CORP (ITFU)   KUNZ H R;  US5186877-A   TANAKA KIKINZOKU KOGYO KK (TANI)   WATANABE M;  US5189005-A   TANAKA KIKINZOKU KOGYO KK (TANI);  STONEHART ASSOC INC (STON-Non-standard)   WATANABE M,  STONEHART P,  TSURUMI K,  YAMAMOTO N,  HARA N,  NAKAMURA T;  US5208207-A   TANAKA KIKINZOKU KOGYO KK (TANI);  JAPAN & STONEHART ASSOC INC (NIST-Non-standard)   STONEHART P,  WATANABE M,  YAMAMOTO N,  NAKAMURA T,  HARA N,  TSURUMI K;  US5225391-A   TANAKA KIKINZOKU KOGYO KK (TANI);  STONEHART ASSOC INC (STON-Non-standard)   STONEHART P,  YAMAMOTO N,  TSURUMI K,  NAKAMURA T,  HARA N;  US5229222-A   SANYO ELECTRIC CO (SAOL)   TSUTSUMI M,  NISHIZAWA N,  ITOH T,  MATSUBAYASHI T,  YONESAKI T,  SATOH K,  FURUKAWA A,  YONEZU I,  FUJITANI S,  NASAKO K,  SAITO T,  SATO K;  US5234772-A   ;  US5234777-A   US DEPT ENERGY (USAT)   WILSON M S;  US5238754-A   SANYO ELECTRIC CO (SAOL)   YASUO T,  AKIYAMA Y,  ISHIDA N,  MURAKAMI S,  SAITOH T;  US5252410-A   BALLARD POWER SYSTEMS INC (BLRD)   WILKINSON D P,  VOSS H H,  PRATER K B;  US5262250-A   TANAKA KIKINZOKU KOGYO KK (TANI);  WATANABE M (WATA-Individual)   WATANABE M;  US5271917-A   ;  US5284718-A   BALLARD POWER SYSTEMS INC (BLRD)   RAMJI S,  WASHINGTON K B,  CHOW C Y,  WATKINS D S;  US5284878-A   AIR PROD & CHEM INC (AIRP)   STUDER D W,  SCHAUB E S;  US5294317-A   TDK CORP (DENK)   SAITO H,  KAWASHIMA Y,  OHE K;  US5294580-A   INT FUEL CELLS CORP (ITFU)   DUFNER B F;  US5298343-A   ECOLE POLYTECHNIQUE MONTREAL (ECOL-Non-standard)   ESSALIK A,  SAVADOGO O;  US5302471-A   SANYO ELECTRIC CO (SAOL)   FURUSE A,  HAMADA A,  NISHIZAWA N,  ITO T;  US5312876-A   US SEC OF AIR FORCE (USAF)   DANG T D,  ARNOLD F E;  US5312895-A   US SEC OF AIR FORCE (USAF)   DANG T D,  ARNOLD F E;  US5314760-A   DOW CHEM CO (DOWC)   EISMAN G A,  TSOU Y,  DOOR R D;  US5314762-A   SANYO ELECTRIC CO (SAOL)   ODA T,  NISHIZAWA N,  WATANABE A,  MATSUBAYASHI T,  HAMADA A,  MUKAI H,  FURUKAWA I;  US5316643-A   FRAUNHOFER-GES FORD ANGE (FRAU)   AHN J,  LEDIEFF K;  US5330860-A   DU PONT DE NEMOURS & CO E I (DUPO)   GROT W G,  BANERJEE S;  US5334463-A   SANYO ELECTRIC CO LTD (SAOL)   YAMAMOTO S,  YONEDA F,  SHINDO K,  TAJIMA O,  SUMI S;  US5346780-A   TOSHIBA KK (TOKE)   SUZUKI N;  US5366820-A   SANYO ELECTRIC CO (SAOL)   TSUTSUMI M,  NISHIZAWA N,  ITOH T,  MATSUBAYASHI T,  YONESAKI T,  SATOH K,  FURUKAWA A,  YONEZU I,  FUJITANI S,  NASAKO K,  SAITO T,  SATO K;  US5367051-A   SRI INT (STRI)   BHARDWAJ T R,  NIGAM A,  GANAPATHIAPPAN S,  NARANG S C,  VENTURA S C;  US5378508-A   AKZO NOBEL NV (ALKU);  UNIV NORTHWESTERN (NOUN)   PARR W J,  VAN DUYNE R P,  NATAN M J,  FRANKLIN R,  SHENG K C,  CASTRO A J,  BIANCHINI R J;  US5384208-A   DEUT AEROSPACE AG (DAIM)   BRAND R,  HOFMANN H,  HILDEBRANDT J;  US5403675-A   MAXDEM INC (MAXD-Non-standard)   OGATO N,  RIKUKAWA M;  US5432023-A   TOSHIBA KK (TOKE)   YAMADA S,  KANDA M,  YAMAMOTO M,  SUZUKI N,  KANAZAWA R,  MOTOMIYA A,  KONDO T,  UCHIDA T,  HASHIMOTO K,  NIKI H,  SASAKI K,  TSURUTA S;  US5438082-A   HOECHST AG (FARH)   HELMER-METZMANN F,  OSAN F,  SCHNELLER A,  RITTER H,  LEDJEFF K,  NOLTE R,  THORWIRTH R;  US5468574-A   DAIS CORP (DAIS-Non-standard)   RIDER J N,  SERPICO J,  EHRENBERG S G,  WNEK G E;  US5472799-A   TANAKA KIKINZOKU KOGYO KK (TANI);  WATANABE M (WATA-Individual);  STONEHART ASSOC INC (STON-Non-standard)   WATANABE M;  US5480735-A   INT FUEL CELLS CORP (ITFU)   PLASSE P A,  LANDSMAN D A;  US5488087-A   DOW CORNING CORP (DOWO)   CABASSO I,  GRAIVER D;  US5489563-A   DEGUSSA AG (DEGS)   BRAND R,  FREUND A,  LANG J,  LEHMANN T,  OHMER J,  TACKE T,  HEINZ G,  SCHWARZ R;  US5501915-A   JOHNSON MATTHEY PLC (JOHO)   HARDS G A,  RALPH T R;  US5503944-A   INT FUEL CELLS CORP (ITFU)   MARGIOTT P R,  MEYER A P,  SCHEFFLER G W;  US5505851-A   HOECHST AG (FARH)   WAGENER R,  HELMER-METZMANN F,  HERRMANN-SCHOENHERR O;  US5523177-A   GINER INC (GINE-Non-standard)   LACONTI A B,  KOSEK J A,  CROPLEY C C;  US5525436-A   UNIV CASE WESTERN RESERVE (UCWR)   SAVINELL R F,  LITT M H;  US5525568-A   HITACHI LTD (HITA)   YAMAGUCHI M,  KOBAYASHI K,  MATSUO H,  UOZUMI S;  US5540981-A   ROHM & HAAS CO (ROHM)   GALLAGHER M K,  MANZIEK L,  LANGENMAYR E J;  US5541015-A   SANYO ELECTRIC CO LTD (SAOL)   MIYAI K,  HAMADA A,  YOSHIMOTO Y,  NISHIZAWA N,  NAKATO K,  HORI K,  TSUTSUMI M,  TAJIMA O,  IKENAGA T,  TANAKA J;  US5547911-A   DU PONT DE NEMOURS & CO E I (DUPO)   GROT W;  US5548055-A   SRI INT (STRI)   NARANG S C,  VENTURA S C;  US5561202-A   HOECHST AG (FARH)   HELMER-METZMANN F,  OSAN F,  SCHNELLER A,  RITTER H,  LEDJEFF K,  NOLTE R,  THORWIRTH R;  US5573866-A   INT FUEL CELLS CORP (ITFU)   MARICLE D L,  VAN DINE L L;  US5576074-A   MINNESOTA MINING & MFG CO (MINN)   MORGAN D A,  WEIGEL D C;  US5599638-A   UNIV SOUTHERN CALIFORNIA (USCA);  CALIFORNIA INST OF TECHNOLOGY (CALY)   FRANK H A,  NARAYANAN S R,  OLAH G A,  PRAKASH G K S,  SURAMPUDI S,  VAMOS E,  HALPERT G;  US5616431-A   KANSAI DENRYOKU KK (KANT);  MITSUBISHI ELECTRIC CORP (MITQ)   KUSUNOKI H,  OTSUKI S,  KIKUOKA Y,  OKADA T,  MATSUMURA M,  SHINOKI T,  MUKAI M,  YAGI T;  US5626313-A   ;  US5627737-A   SANYO ELECTRIC CO LTD (SAOL)   MAKINO Y,  INOIE T,  YUGOU M,  MAEKAWA M;  US5631099-A   HOCKADAY R G (HOCK-Individual)   HOCKADAY R G;  US5633098-A   SRI INT (STRI)   NARANG S C,  VENTURA S C;  US5635039-A   LYNNTECH INC (LYNN-Non-standard)   HITCHENS G D,  MURPHY O J,  CISAR A J,  GONZALEZ-MARTIN A;  US5641586-A   UNIV CALIFORNIA OFFICE TECHNOLOGY (REGC)   WILSON M S;  US5643690-A   TOSHIBA KK (TOKE)   TATEISHI H,  OZU H,  AKASAKA Y,  NAKAGAWA K,  TOMIMATSU M;  US5670266-A   MOTOROLA INC (MOTI)   MORE G,  THOMAS G,  FERNANDEZ J M;  US5672439-A   BALLARD POWER SYSTEMS INC (BLRD)   WILKINSON D P,  JOHNSON M C,  COLBOW K M,  CAMPBELL S A;  US5683829-A   SARANGAPANI S (SARA-Individual)   SARANGAPANI S;  US5700595-A   INT FUEL CELLS CORP (ITFU)   REISER C;  US5702836-A   UNIV MASSACHUSETTS (UMAC)   KOWALAK A D,  MA C;  US5702838-A   MATSUSHITA ELECTRIC IND CO LTD (MATU)   YASUMOTO E,  HATOH K,  GAMOU T;  US5723229-A   MOTOROLA INC (MOTI)   WYATT K W,  CHASON M K,  SCHEIFERS S M,  KLOSTERMAN D H;  US5731104-A   SRI INT (STRI)   VENTURA S C,  NARANG S,  HUM G,  LIU P,  RANGANATHAN P,  SUN L;  US5741408-A   HOECHST AG (FARH)   HELMER-METZMANN F,  OSAN F,  SCHNELLER A,  RITTER H,  LEDJEFF K,  NOLTE R,  THORWIRTH R;  US5759712-A   HOCKADAY R G (HOCK-Individual)   HOCKADAY R G;  US5773162-A   CALIFORNIA INST OF TECHNOLOGY (CALY)   SURAMPUDI S,  FRANK H A,  NARAYANAN S R,  CHUN W,  JEFFRIES-NAKAMURA B,  KINDLER A,  HALPERT G;  US5773480-A   BALLARD POWER SYSTEMS INC (BLRD)   STECK A E,  WEI J,  STONE C;  US5789093-A   TEXAS INSTR INC (TEXI)   MALHI S;  US5795496-A   CALIFORNIA INST OF TECHNOLOGY (CALY)   YEN S S,  NARAYANAN S R,  HALPERT G,  GRAHAM E,  YAVROUIAN A;  US5798187-A   UNIV CALIFORNIA (REGC)   WILSON M S,  ZAWODZINSKI C;  US5804325-A   WESTFIELD TRADING CORP (WEST-Non-standard)   YEPEZ O;  US5834523-A   BALLARD POWER SYSTEMS INC (BLRD)   STECK A E,  STONE C;  US5834566-A   HOECHST AG (FARH)   HELMER-METZMANN F,  SCHNELLER A;  US5846615-A   ;  US5856036-A   ILLINOIS INST TECH (ILLV)   SMOTKIN E S,  LEY K L,  PU C,  LIU R;  US5858568-A   ZTEK CORP (ZTEK-Non-standard)   HSU M S,  ONG R Y;  US5863673-A   BALLARD POWER SYSTEMS INC (BLRD)   CAMPBELL S A,  STUMPER J,  WILKINSON D P,  DAVIS M T;  US5874182-A   BALLARD POWER SYSTEMS INC (BLRD)   WILKINSON D P,  JOHNSON M C,  COLBOW K M,  CAMPBELL S A;  US5876867-A   NE CHEMCAT CORP (NECH-Non-standard)   ITOH T,  KATOH K,  HASHIMOTO T;  US5885338-A   SRI INT (STRI)   KHURANA J M,  NIGAM A;  US5886890-A   SANYO ELECTRIC CO LTD (SAOL)   ISHIDA T,  HAGIWARA R,  KOZUMA S,  KISHI H;  US5894038-A   WHITAKER CORP (WHTR)   SHARMA S K,  BHASIN K K,  NARANG S C,  NIGAM A;  US5904740-A   MOTOROLA INC (MOTI)   DAVIS J L;  US5906716-A   HOECHST AG (FARH)   MERTESDORF P,  SCHNELLER A,  WAGENER R,  WITTELER H;  US5916699-A   MOTOROLA INC (MOTI)   MORE G,  THOMAS G,  FERNANDEZ J M;  US5916702-A   EXXON RES & ENG CO (ESSO)   MARUCCHI-SOOS E,  ROBBINS J L,  BELLOWS R J,  BUCKLEY D T;  US5922487-A   WATANABE M (WATA-Individual);  STONEHART ASSOC INC (STON-Non-standard);  TANAKA KIKINZOKU KOGYO KK (TANI)   WATANABE M,  YAMAMOTO Y;  US5928806-A   OLAH G A (OLAH-Individual);  PRAKASH G K S (PRAK-Individual)   OLAH G A,  PRAKASH G K S;  US5945231-A   CALIFORNIA INST OF TECHNOLOGY (CALY)   SURAMPUDI S,  HALPERT G,  NARAYANAN S;  US5952119-A   UNIV CALIFORNIA (REGC)   WILSON M S;  US5954928-A   CHLORINE ENGINEERS CORP LTD (CHLR)   KISHI T,  ARIMOTO O;  US5958616-A   LYNNTECH INC (LYNN-Non-standard)   SALINAS C,  MURPHY O J,  MOADDEL H,  WENG D,  SIMPSON S F,  FRANASZCZUK K;  US5973025-A   SRI INT (STRI)   NIGAM A,  NARANG S,  YOKOI S,  GANAPATHIAPPAN S,  KHURANA J M;  US5976725-A   MATSUSHITA ELECTRIC IND CO LTD (MATU)   GAMO T,  KURANAKA S,  MORITA Y,  SUZUKI J,  HAMANISHI M,  NAGAI S,  HATOH K,  YASUMOTO E;  US5980998-A   SRI INT (STRI)   SHARMA S,  ANNAVAJJULA D,  BASHIN S,  NARANG S,  NIGAM A;  US5981095-A   LEDDY J (LEDD-Individual);  AMARASINGHE S (AMAR-Individual);  ZOOK L A (ZOOK-Individual);  TINOCO F (TINO-Individual)   LEDDY J,  AMARASINGHE S,  ZOOK L A,  TINOCO F;  US5984986-A   DAIMLER-BENZ AG (DAIM)   WIESHEU N,  DUELK C,  AUTENRIETH R,  BENZ U;  US5985942-A   BALLARD POWER SYSTEMS INC (BLRD)   STECK A E,  STONE C;  US5992008-A   CALIFORNIA INST OF TECHNOLOGY (CALY)   KINDLER A,  DAWSON S F;  US5993984-A   MITSUBISHI DENKI KK (MITQ)   MATSUMURA M,  SHINOKI T;  US5998599-A   ;  US6007930-A   FORD GLOBAL TECHNOLOGIES INC (FORD)   ADAMS J A,  SULEK M S,  SALOKA G S;  US6007934-A   DEGUSSA AG (DEGS)   AUER E,  FREUND A,  LEHMANN T,  STARZ K,  SCHWARZ R,  STENKE U;  US6010798-A   SIEMENS AG (SIEI)   HAMMERSCHMIDT A,  DOMKE W,  NOELSCHER C,  SUCHY P;  US6017650-A   DE NORA SPA (ORON)   RAMUNNI E,  KIENBERGER M;  US6040077-A   3M INNOVATIVE PROPERTIES CO (MINN)   STEINBACH A J,  THOMAS J H,  ZIEGLER R J,  DEBE M K,  HAUGEN G M;  US6045934-A   FUJI ELECTRIC CO LTD (FJIE)   ENAMI Y;  US6048473-A   DAIMLER-BENZ AG (DAIM)   WIESHEU N,  DUELK C,  GERBERICH R,  DENDA M;  US6057051-A   MATSUSHITA ELECTRIC IND CO LTD (MATU)   UCHIDA M,  FUKUOKA Y,  SUGAWARA Y,  EDA N;  US6057054-A   BALLARD POWER SYSTEMS INC (BLRD)   BARTON R H,  GIBB P R,  RONNE J A,  VOSS H H;  US6060190-A   BALLARD POWER SYSTEMS INC (BLRD)   CAMPBELL S A,  WILKINSON D P,  DAVIS M T,  STUMPER J;  US6066410-A   DEGUSSA AG (DEGS)   AUER E,  BEHL W,  LEHMANN T,  STENKE U;  US6068941-A   INT FUEL CELLS LLC (ITFU-Non-standard)   FULLER T F,  WHEELER D J;  US6071635-A   PLUG POWER LLC (PLUG-Non-standard)   CARLSTROM C M;  US6074773-A   BALLARD POWER SYSTEMS INC (BLRD)   WILKINSON D P,  CAMPBELL S A,  ROBERTS J A;  US6080501-A   MOTOROLA INC (MOTI)   KELLEY R J,  ARLEDGE J K,  MUTHUSWAMY S,  DAVIS J L,  PRATT S D;  US6080503-A   BALLARD POWER SYSTEMS INC (BLRD)   SCHMID O,  EINHART J;  US6090193-A   SRI INT (STRI)   NIGAM A,  NARANG S,  GANAPATHIAPPAN S,  KHURANA J M,  YOKOI S;  US6093502-A   PLUG POWER INC (PLUG-Non-standard)   CARLSTROM C M,  MAYNARD W B;  US6100600-A   PFLANZ T (PFLA-Individual)   PFLANZ T;  US6106965-A   MATSUDA KK (MAZD)   HIRANO S;  US6110613-A   INT FUEL CELLS CORP (ITFU)   FULLER T F;  US6110616-A   DAIS CORP (DAIS-Non-standard)   SHEIKH-ALI B M,  WNEK G E;  US6117222-A   ;  US6117579-A   MATSUSHITA ELECTRIC IND CO LTD (MATU)   GYOTEN H,  GAMOU T,  HATOH K,  YASUMOTO E;  US6127055-A   SIMMONS T C (SIMM-Individual)   SIMMONS T C;  US6137280-A   SCI APPL INT CORP (SCPP)   ACKERMANN E,  HICKS W L;  US20020045085-A1   ;  US20020091225-A1   ;  US20020172853-A1   ;  US6171444-B1   SRI INT (STRI)   NIGAM A;  US6241787-B1   SRI INT (STRI)   NIGAM A;  US6268077-B1   MOTOROLA INC (MOTI)   KELLEY R J,  PRATT S D,  LANDRETH B D,  PENNISI R W,  MUTHUSWAMY S,  URBISH G F;  US6300381-B1   UNIV STUTTGART LEHRSTUHL & INST CHEM VER (UYST-Non-standard)   KERRES J,  CUI W;  US6309772-B1   DEGUSSA-HUELS AG (DEGS)   ZUBER R,  FEHL K,  STARZ K,  STENKE U;  US6326097-B1   HOCKADAY R G (HOCK-Individual);  TURNER P S (TURN-Individual);  MASLOW M (MASL-Individual);  COOPER M (COOP-Individual)   HOCKADAY R G,  TURNER P S,  MASLOW M,  COOPER M;  US6326099-B1   EVEREADY BATTERY CO INC (EVEY)   SCHUBERT M A;  US6537691-B1   DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   POSCHMANN T,  ZUR MEGEDE D;  US6604908-B1   DEKA PROD LP (DKAP)   BRYANT R J,  GRAY L B,  SPENCER G P;  US6358639-B2   PLUG POWER LLC (PLUG-Non-standard)   OKO U M,  CHILDS N;  US6460733-B2   ACKER W P (ACKE-Individual)   ACKER W P;  WO1995027759-A1   ;  WO1998022989-A1   ;  WO1999054389-A1   ;  WO2000009610-A1   ;  WO2000010736-A1   ;  WO2000024076-A1   ;  WO2000024796-A1   ;  WO2000035032-A1   ;  WO2000052779-A1   ;  WO1999054407-A2   ;  WO2000022684-A2   ;  WO2000027513-A2   ;  WO2002084772-A2   ;  EP1393400-B1 -- EP1087455-A2   TOSHIBA KK (TOKE)   YONETSU M,  TAKASHITA M,  SUMINO H;  FR2793450-A1   PEUGEOT CITROEN AUTOMOBILES SA (CITR)   GABORIAU B,  CHESNEL N,  PEGEOT V;  GB1534015-A   ;  US5573866-A   INT FUEL CELLS CORP (ITFU)   MARICLE D L,  VAN DINE L L;  US5759712-A   HOCKADAY R G (HOCK-Individual)   HOCKADAY R G;  US6137280-A   SCI APPL INT CORP (SCPP)   ACKERMANN E,  HICKS W L;  WO2000035032-A1   ;  WO2000052779-A1