;  US7445859-B2 -- DE4116359-A   ;  DE1907737-A1   ;  DE4243600-A1   EQUOS RES KK (EQUS)   NAKANO N,  AZUMA R,  NAKASHIMA M,  HORIGUCHI M;  DE1258842-B   ;  EP72038-A   HITACHI LTD (HITA)   TSUKUI T,  SHIMIZU T,  DOI R;  EP154772-A   BBC BROWN BOVERI & CIE AG (BROV)   CHRISTEN H J,  DEVANTAY H,  SCHELLENBE C,  SCHERER G,  STUCKI S;  EP181569-A   HITACHI LTD (HITA)   TSUKUI T,  YASUKAWA S;  EP241432-A   TANAKA KIKINZOKU KOGYO KK (TANI);  FURUYA C (FURU-Individual);  WATANABE M (WATA-Individual)   WATANABE M,  MOTOO S,  FURUYA N;  EP248394-A   BASF AG (BADI)   STERZEL H J;  EP301757-A   UNITED TECHNOLOGIES CORP (UNAC)   MCELROY J F;  EP426546-A   TOTO LTD (TTOC)   YOKOSAWA K,  WAJIMA N;  EP435724-A   PETRO ENERGY CENT (PETR-Non-standard);  SEKIYU SANGYO KASSEI (SEKI-Non-standard);  SHOWA SHELL SEIKIYU KK (SHEL)   YAMASE O,  YOSHIZAWA S,  MIURA T;  EP448719-A   KUREHA KAGAKU KOGYO KK (KURE)   FUKUDA H,  FUNABASHI M,  ABE H,  TAKADA T;  EP483085-A   TANAKA KIKINZOKU KOGYO KK (TANI)   WATANABE M;  EP589535-A1   TANAKA KIKINZOKU KOGYO KK (TANI);  WATANABE M (WATA-Individual);  STONEHART ASSOC INC (STON-Non-standard)   WATANABE M;  EP596366-A1   SIEMENS AG (SIEI)   STRASSER K;  EP546594-A2   METALLGESELLSCHAFT AG (METG)   HILLRICHS E,  SANDER U;  EP642185-A2   MITSUBISHI JUKOGYO KK (MITO)   SATAKE T,  NANJO F,  WATANABE K,  YAMAMURO S;  EP764466-A2   MATSUSHITA ELECTRIC IND CO LTD (MATU)   YASUMOTO E,  HATOH K,  GAMOU T;  FR1436154-A   ;  FR1512263-A   ;  GB1082575-A   ;  GB1160084-A   ;  GB1213777-A   VARTA AG (VART);  GB1221683-A   ;  GB1258153-A   SIEMENTS AG (SIEI);  GB1304092-A   ;  GB1534015-A   ;  JP01146263-A   ;  JP02051865-A   ;  JP02098053-A   ;  JP02114452-A   ;  JP02148657-A   ;  JP02223984-A   ;  JP03145062-A   ;  JP04132168-A   ;  JP04162365-A   ;  JP04229958-A   ;  JP04305249-A   ;  JP05135785-A   ;  JP06052871-A   ;  JP06073583-A   ;  JP06150937-A   ;  JP06188008-A   ;  JP06203840-A   ;  JP06236762-A   ;  JP06251779-A   ;  JP06251780-A   ;  JP06275305-A   ;  JP54076443-A   ;  JP56118273-A   ;  JP57019973-A   ;  JP57196479-A   ;  JP58004274-A   HITACHI LTD (HITA)   KAWANA H,  HORIBA T,  IWAMOTO K,  FUJITA K,  TAMURA K;  JP58016471-A   NISSAN MOTOR CO LTD (NSMO)   NAKAMURA M;  JP58034573-A   HITACHI LTD (HITA)   KAWANA H,  HORIBA T,  IWAMOTO K,  FUJITA K,  TAMURA K;  JP58165274-A   HITACHI LTD (HITA)   KAWANA H,  HORIBA T,  IWAMOTO K,  FUJITA K,  TAMURA K;  JP58186170-A   HITACHI LTD (HITA)   HORIBA T,  IWAMOTO K,  KAWANA H,  FUJITA K,  TAMURA K;  JP59157963-A   ;  JP59209277-A   HITACHI LTD (HITA)   OHARA S,  KANESHIRO T,  TSUKUI T,  SHIMIZU T;  JP60023977-A   ;  JP60151969-A   ;  JP60165062-A   ;  JP61042871-A   NISSAN MOTOR CO LTD (NSMO)   NAKAMURA M,  TAKAGI Y,  URAKAWA H;  JP61058170-A   SHIN KOBE ELECTRIC MACHINERY (KOBE)   WATANABE K,  NOMURA Y,  TAKABORI Y,  KONUKI T;  JP62010872-A   HITACHI LTD (HITA)   TSUKUI T,  YASUKAWA S,  SHIMIZU T,  DOI R,  IWAASA S;  JP62064067-A   ;  JP62086662-A   ;  JP62208553-A   TANAKA KIKINZOKU KOGYO KK (TANI);  FURUYA C (FURU-Individual);  WATANABE M (WATA-Individual)   WATANABE M,  MOTOO S,  FURUYA N;  JP62246265-A   ;  JP62296372-A   BASF AG (BADI)   STERZEL H J;  JP63066860-A   HITACHI LTD (HITA)   KURODA O,  OGAWA T,  EBARA K,  TAKAHASHI S,  KOIKE S;  JP63076264-A   ;  JP63076269-A   ;  JP63088860-A   ;  JP64077876-A   ;  JP4014473-B2   KAGAKU GIJUTSU SHINKO JIGYODAN (JSTA);  OTA H (OTAH-Individual)   HOSONO H,  OTA H,  KAMIYA T,  HIRANO M;  US3013098-A   ;  US3013908-A   ;  US3113049-A   ;  US3143440-A   ;  US3368922-A   MONSANTO RES CORP (MONS);  US3388922-A   ;  US3425873-A   ;  US3442715-A   MONSANTO CO (MONS);  US3511713-A   ;  US3532556-A   JOHNSON MATTHEY CO LTD (JOHO);  US3542597-A   MONSANTO RES CORP (MONS);  US3615835-A   ENERGY CONVERSION DEVICES INC (ENGD);  US3634140-A   ;  US3811817-A   ;  US3899354-A   UNION CARBIDE CORP (UNIC)   KORDESCH K V;  US3982962-A   UNITED TECHNOLOGIES CORP (UNAC);  US3992223-A   SIEMENS AG (SIEI);  US3993985-A   EBAUCHES SA (EBAU);  US4040435-A   EXXON RES & ENG CO (ESSO);  US4080791-A   EXXON RES & ENG CO (ESSO)   NADLER M,  CAHN R P;  US4125676-A   UNITED TECHNOLOGIES CORP (UNAC)   MARICLE D L,  NAGLE D C;  US4130484-A   ;  US4160856-A   ALSTHOM SOC GEN CONSTR ELEC (ALST);  US4175165-A   ENGELHARD MINERALS CORP (ENGH)   ADLHART O J;  US4214969-A   GENERAL ELECTRIC CO (GENE);  UNITED TECHNOLOGIES CORP (UNAC)   LAWRANCE R J;  US4262063-A   HITACHI LTD (HITA)   KUDO T,  KIKUCHI G,  OBAYASHI H;  US4350608-A   DIAMOND SHAMROCK CORP (DIAS)   GESTAUT L J;  US4365008-A   UNITED TECHNOLOGIES CORP (UNAC)   DECASPERIS J,  ROETHLEIN R J,  BREAULT R D;  US4390603-A   HITACHI LTD (HITA)   KAWANA H,  HORIBA T,  IWAMOTO K,  FUJITA K,  TAMURA K;  US4395322-A   GENERAL ELECTRIC CO (GENE)   HARRIS L A;  US4407905-A   HITACHI LTD (HITA)   TAKEUCHI S,  KAHARA T,  IMAHASHI J,  TAKEUCHI M,  OKADA H,  OKABE S,  MATSUDA S;  US4420544-A   CALIFORNIA INST OF TECHN (CALY)   LAWSON D D,  INGHAM J D;  US4478917-A   HITACHI LTD (HITA)   FUJITA K,  TAMURA K,  KAWANA H,  IWAMOTO K,  HORIBA T;  US4490219-A   IBM CORP (IBMC)   BINDRA P S,  LIGHT D N;  US4493878-A   HITACHI LTD (HITA)   HORIBA T,  IWAMOTO K,  KAWANA H,  FUJITA K,  TAMURA K;  US4517259-A   WESTINGHOUSE ELECTRIC CORP (WESE)   LANCE J R;  US4526843-A   ENGELHARD MINERALS CORP (ENGH)   KAUFMAN A,  TERRY P L;  US4537840-A   HITACHI LTD (HITA)   TSUKUI T,  SHIMIZU T,  DOI R,  TSUTSUMII Y;  US4541905-A   UNIV OHIO STATE (OHIS)   KUWANA T,  KAO W H;  US4562123-A   HITACHI LTD (HITA)   SHIMIZU T,  SATOU T,  TSUKUI T,  DOI R,  YAMAGUCHI M;  US4588661-A   ENGELHARD CORP (ENGH)   KAUFMAN A,  WERTH J;  US4595642-A   MITSUBISHI HEAVY IND CO LTD (MITO)   NAKANISHI K,  TANABE S,  IZUMI J;  US4612261-A   HITACHI LTD (HITA)   TSUKUI T,  SHIMIZU T,  DOI R;  US4619753-A   BBC BROWN BOVERI & CIE AG (BROV)   CHRISTEN H J,  DEVANTAY H,  SCHELLENBE C,  SCHERER G,  STUCKI S;  US4625395-A   CALIFORNIA INST OF TECHN (CALY)   ROWLETTE J J;  US4629664-A   HITACHI LTD (HITA)   TSUKUI T,  YASUKAWA S;  US4644751-A   MASSACHUSETTS INST TECHNOLOGY (MASI)   HSY M S;  US4658499-A   CALIFORNIA INST OF TECHN (CALY)   ROWLETTE J J;  US4728533-A   ENGELHARD CORP (ENGH)   FEIGENBAUM H,  PUDICK S;  US4729889-A   CALIFORNIA INST OF TECHN (CALY)   FLYTANISTE M,  GAVALAS G R,  TAMHANKAR S S;  US4729932-A   UNITED TECHNOLOGIES CORP (UNAC)   MCELROY J F;  US4738903-A   INT FUEL CELLS CORP (ITFU)   GAROW J,  OTTER L H;  US4745953-A   DAINIPPON INSATSU KK (NIPQ)   KOBAYASHI M,  SUZUKI D,  YAMADA K;  US4766043-A   TOSHIBA KK (TOKE)   SHIROGAMI T,  UENO M;  US4769297-A   INT FUEL CELLS CORP (ITFU)   REISER C A,  SAWYER R D;  US4810597-A   HITACHI LTD (HITA)   KUMAGAI T,  HORIBA T,  KAMO T,  TAKEUCHI S,  HITACHIOH I,  IWAMOTO K,  KITAMI K,  TAMURA K;  US4824736-A   ARISTECH CHEM CORP (ARIS-Non-standard)   EHRIG R J,  WEIL R C;  US4824739-A   INT FUEL CELLS CORP (ITFU)   BREAULT R,  RAJPOLT M,  TROCCIOLA J;  US4826741-A   ERGENICS POWER SYST (ERGE-Non-standard)   ALDHART O J,  ROSSO M J;  US4828941-A   BASF AG (BADI)   STERZEL H J;  US4829017-A   ;  US4855193-A   UNITED TECHNOLOGIES CORP (UNAC)   MCELROY J F;  US4865925-A   HUGHES AIRCRAFT CO (HUGA)   LUDWIG F A,  TOWNSEND C W;  US4868073-A   YANMAR DIESEL ENGINE CO (YANM)   HASHINMOTO K,  KANDA T,  KAWASHIMA A,  ASAMI K;  US4876115-A   US DEPT ENERGY (USAT)   RAISTRICK I D;  US4877694-A   ELTECH SYSTEMS CORP (ELTE)   SOLOMON F,  GENODMAN Y,  IRIZARRY J;  US4898631-A   CALIFORNIA INST OF TECHN (CALY)   COLLINS E R;  US4920475-A   CALIFORNIA INST OF TECHN (CALY)   RIPPEL W E;  US4931168-A   TANAKA KIKINZOKU KOGYO KK (TANI);  FURUYA C (FURU-Individual);  WATANABE M (WATA-Individual)   WATANABE M,  MOTOO S,  FURUYA N;  US4957673-A   CALIFORNIA INST OF TECHN (CALY)   SCHROEDER J E,  ANDERSON H U;  US4961918-A   ;  US5004424-A   JOHNSON MATTHEY PLC (JOHO)   LARMINIE J;  US5013618-A   INT FUEL CELLS CORP (ITFU)   LUCZAK F J;  US5019263-A   MOBIL OIL CORP (MOBI)   HAAG W O,  TSIKOYIANN J G;  US5057362-A   CALIFORNIA INST OF TECHN (CALY)   SCHROEDER J E,  ANDERSON H U;  US5084144-A   PHYSICAL SCIENCES I (PHYS-Non-standard)   VILLAMBIRE N R K,  ANDERSON E B,  TAYLOR E J;  US5132193-A   PHYSICAL SCI INC (PHYS-Non-standard)   REDDY V N R,  TAYLOR E J;  US5134043-A   ISHIKAWAJIMA HARIMA JUKOGYO KK (ISHI)   NAKAZAWA K;  US5162166-A   ;  US5170124-A   BALLARD POWER SYST (BLRD)   BLAIR J D,  DIRCKS K W;  US5175064-A   ;  US5186806-A   CALIFORNIA INST OF TECHN (CALY)   CLARK D J,  GALICA L M,  LOSEY R W,  SUITOR J W;  US5186877-A   TANAKA KIKINZOKU KOGYO KK (TANI)   WATANABE M;  US5211984-A   UNIV CALIFORNIA (REGC)   WILSON M S;  US5225391-A   TANAKA KIKINZOKU KOGYO KK (TANI);  STONEHART ASSOC INC (STON-Non-standard)   STONEHART P,  YAMAMOTO N,  TSURUMI K,  NAKAMURA T,  HARA N;  US5234776-A   FUJI ELECTRIC CO LTD (FJIE)   KOSEKI K;  US5236687-A   KUREHA KAGAKU KOGYO KK (KURE)   FUKUDA H,  FUNABASHI M,  ABE H,  TAKADA T;  US5250184-A   STUDIENGESELLSCHAFT KOHLE MBH (STUD)   MAIER W F;  US5252410-A   BALLARD POWER SYSTEMS INC (BLRD)   WILKINSON D P,  VOSS H H,  PRATER K B;  US5252528-A   CALIFORNIA INST OF TECHN (CALY)   VOECKS G E,  SHARMA P K;  US5294232-A   STONEHART ASSOC INC (STON-Non-standard);  WATANABE M (WATA-Individual);  TANAKA KIKINZOKU KOGYO KK (TANI)   SAKAIRI K,  YAMAMOTO Y;  US5294580-A   INT FUEL CELLS CORP (ITFU)   DUFNER B F;  US5308465-A   METALLGESELLSCHAFT AG (METG)   HILLRICHS E,  SANDER U;  US5318863-A   BCS TECHNOLOGY INC (BCST-Non-standard)   DHAR H P;  US5330860-A   DU PONT DE NEMOURS & CO E I (DUPO)   GROT W G,  BANERJEE S;  US5335628-A   AQUA CHEM INC (AQAC)   DUNBAR W R;  US5364711-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;  US5366821-A   BALLARD POWER SYSTEMS INC (BLRD)   MERRITT R D,  BLAIR J D;  US5401589-A   VICKERS SHIPBUILDING & ENG (VICS);  CJBD LTD (CJBD-Non-standard)   PALMER I,  SEYMOUR C M,  DAMS R A J;  US5409785-A   EQUOS RES KK (EQUS)   NAKANO N,  AZUMA R,  NAKASHIMA M,  HORIGUCHI M;  US5415888-A   DU PONT DE NEMOURS & CO E I (DUPO);  H-POWER CORP (HPOW-Non-standard)   BANERJEE S,  GROT W G,  BLOOMFIELD D P;  US5431789-A   UNIV WISCONSIN SYSTEM (UYWI-Non-standard)   HUI B S,  HUBER C O;  US5436086-A   VICKERS SHIPBUILDING & ENG (VICS);  CJBD LTD (CJBD-Non-standard)   SEYMOUR C M,  DAMS R A D;  US5449479-A   ;  US5453332-A   TANAKA KIKINZOKU KOGYO KK (TANI);  STONEHART ASSOC INC (STON-Non-standard);  WATANABE M (WATA-Individual)   SAKAIRI K,  WATANABE M;  US5478662-A   SIEMENS AG (SIEI)   STRASSER K;  US5482792-A   DE NORA PERMELEC SPA (ORON)   FAITA G,  MANTEGAZZA C;  US5550478-A   CHRYSLER CORP (CHRY)   KOPERA J J C;  US5561000-A   VITO VLAAMSE INSTELLING TECHNOLOGISCH (VITO-Non-standard)   DIRVEN P,  ENGELEN W;  US5573866-A   INT FUEL CELLS CORP (ITFU)   MARICLE D L,  VAN DINE L L;  US5598088-A   BOSCH GMBH ROBERT (BOSC)   RICHTER G;  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;  US5603830-A   KIMBERLY CLARK CORP (KIMB)   EVERHART D S,  KAYLOR R M,  SMITH K R;  US5641586-A   UNIV CALIFORNIA OFFICE TECHNOLOGY (REGC)   WILSON M S;  US5656388-A   CALIFORNIA INST OF TECHNOLOGY (CALY)   WITHAM C K,  HIGHTOWER A,  BOWMAN R C,  HALPERT G,  BUGGA R V,  FULTZ B;  US5658682-A   HONDA MOTOR CO LTD (HOND)   KAYANO M,  USUDA M;  US5679248-A   ;  US5698089-A   CALIFORNIA INST OF TECHNOLOGY (CALY)   LEWIS N S,  FREUND M S;  US5702755-A   DOW CHEM CO (DOWC)   MUSSELL R D,  BABINEC S J,  SCORTICHINI C L,  PLOWMAN K R,  WEBB S P,  REHG T J;  US5733437-A   UNIV GUELPH (UYGU-Non-standard)   BAKER M D,  SENARATNE C;  US5766786-A   DAIMLER-BENZ AG (DAIM)   FLECK W,  WIESHEU N,  BENZ U;  US5773162-A   CALIFORNIA INST OF TECHNOLOGY (CALY)   SURAMPUDI S,  FRANK H A,  NARAYANAN S R,  CHUN W,  JEFFRIES-NAKAMURA B,  KINDLER A,  HALPERT G;  US5795496-A   CALIFORNIA INST OF TECHNOLOGY (CALY)   YEN S S,  NARAYANAN S R,  HALPERT G,  GRAHAM E,  YAVROUIAN A;  US5814995-A   TELCOM SEMICONDUCTOR INC (TELC-Non-standard)   TASDIGHI A;  US5858569-A   PLUG POWER LLC (PLUG-Non-standard)   VITALE N G,  MEACHER J;  US5888665-A   CALIFORNIA INST OF TECHNOLOGY (CALY)   SURAMPUDI S R,  HIGHTOWER A,  BUGGA R V,  WITHAM C K,  FULTZ B,  BOWMAN R;  US5916505-A   LYNNTECH INC (LYNN-Non-standard)   MURPHY O J,  HITCHENS G D,  GONZALEZ-MARTIN A,  CISAR A J;  US5928807-A   DAIMLER-BENZ AG (DAIM);  BALLARD POWER SYSTEMS INC (BLRD)   HARTMUT E;  US5935431-A   ;  US5945231-A   CALIFORNIA INST OF TECHNOLOGY (CALY)   SURAMPUDI S,  HALPERT G,  NARAYANAN S;  US5992008-A   CALIFORNIA INST OF TECHNOLOGY (CALY)   KINDLER A,  DAWSON S F;  US6027630-A   UNIV SOUTHERN CALIFORNIA (USCA)   COHEN A L;  US6136463-A   CALIFORNIA INST OF TECHNOLOGY (CALY)   KINDLER A,  YEN S;  US6146781-A   CALIFORNIA INST OF TECHNOLOGY (CALY)   SURAMPUDI S,  FRANK H A,  NARAYANAN S R,  CHUN W,  JEFFRIES-NAKAMURA B,  KINDLER A,  HALPERT G;  US6150047-A   CALIFORNIA INST OF TECHNOLOGY (CALY)   HALPERT G,  YAVROUIAN A,  KINDLER A,  YEN S S;  US20010028975-A1   ;  US20010050230-A1   ;  US20010052389-A1   ;  US20020015872-A1   ;  US20020058178-A1   ;  US20030008190-A1   ;  US20030066476-A1   ;  US20030207167-A1   ;  US20030226763-A1   ;  US20040166397-A1   ;  US20040224214-A1   ;  US20040229108-A1   ;  US20040234834-A1   ;  US20050003254-A1   ;  US20050042487-A1   ;  US20050214629-A1   ; 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