;  WO2004031073-A2 -- EP615949-A2   TOKYO GAS CO LTD (TOLG);  MITSUBISHI JUKOGYO KK (MITO)   SHIRASAKI Y,  GONDAIRA M,  OHTA Y,  UCHIDA H,  KURODA K,  UCHIDA T,  FUJIMOTO Y,  MAKIHARA H,  OHTA S,  KOBAYASHI K;  JP05147902-A   ;  JP09002802-A   ;  JP11116202-A   ISHIKAWAJIMA HARIMA HEAVY IND (ISHI)   HAMADA Y;  US5861137-A   EDLUND D J (EDLU-Individual)   EDLUND D J;  US5938800-A   MCDERMOTT TECHNOLOGY INC (MCDE-Non-standard)   VERRILL C L,  MCILROY R A,  PRIVETTE R M,  CHANEY L J,  KNEIDEL K E;  US6207132-B1   CHINA PETROLEUM CORP (CNPC)   LIN Y,  LEI M;  US6294149-B1   DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   AUTENRIETH R,  POSCHMANN T,  WIELAND S,  HEIL D,  BONEBERG S;  WO1999065097-A1   ;  WO2002070402-A2   ;  US7341609-B2 -- US4430304-A   WESTINGHOUSE ELECTRIC CORP (WESE);  US DEPT ENERGY (USAT)   SPURRIER F R,  DEZUBAY E A,  MURRAY A P,  VIDT E J;  WO1999036351-A1   ;  EP1024111-A1   CHINA PETROLEUM CORP (CNPC)   LIN Y,  REI M;  EP615949-A2   TOKYO GAS CO LTD (TOLG);  MITSUBISHI JUKOGYO KK (MITO)   SHIRASAKI Y,  GONDAIRA M,  OHTA Y,  UCHIDA H,  KURODA K,  UCHIDA T,  FUJIMOTO Y,  MAKIHARA H,  OHTA S,  KOBAYASHI K;  EP1055638-A2   MATSUSHITA ELECTRIC IND CO LTD (MATU)   TOMIZAWA T,  UKAI K,  TAGUCHI K,  SHONO T,  KITAGAWA K;  JP05147902-A   ;  JP07153320-A   ;  JP09283305-A   ;  JP20128505-A   ;  JP20143203-A   ;  JP3309265-B2   ;  US4849187-A   TOYO ENG CORP (TOXS)   UOZU H,  NAITOH A,  NUMAGUCHI T;  US4904455-A   STONE & WEBSTER ENG CORP (STWE)   KARAFIAN M,  TSANG I C;  US5198002-A   US DEPT ENERGY (USAT)   MEI J S,  DEVAULT J,  HALOW J S;  US5215729-A   BUXBAUM R E (BUXB-Individual)   BUXBAUM R E;  US5226928-A   TOKYO ELECTRIC POWER CO (TOEP);  KOBE SEIKO SHO KK (KOBM)   MAKABE T,  SATO H,  HAGIWARA A,  AOKI M,  SUGIMURA H,  KAWABATA T;  US5401589-A   VICKERS SHIPBUILDING & ENG (VICS);  CJBD LTD (CJBD-Non-standard)   PALMER I,  SEYMOUR C M,  DAMS R A J;  US5484577-A   BALLARD POWER SYSTEM INC (BLRD)   LEAVITT S L,  WATKINS D S,  COHEN R,  BUSWELL R F,  CLAUSI J V;  US5525322-A   UNIV CALIFORNIA (REGC)   WILLMS R S;  US5580523-A   INTEGRATED CHEM SYNTHESIZERS INC (INTE-Non-standard)   BARD A J;  US5589599-A   MCMULLEN F G (MCMU-Individual);  MCMULLEN D G (MCMU-Individual);  MCMULLEN R B (MCMU-Individual)   MCMULLEN F G,  MCMULLEN D G,  MCMULLEN R B;  US5637259-A   CANADA MIN NATURAL RESOURCES (CNDG)   AHMED S,  PANDEY R N,  GALUSZKA J Z,  FOUDA S;  US5639431-A   TOKYO GAS CO LTD (TOLG);  MITSUBISHI JUKOGYO KK (MITO)   SHIRASAKI Y,  GONDAIRA M,  OHTA Y,  UCHIDA H,  KURODA K,  UCHIDA T,  FUJIMOTO Y,  MAKIHARA H,  OHTA S,  KOBAYASHI K;  US5674301-A   NGK INSULATORS LTD (NIGA)   SAKAI O,  TAKAHASHI T;  US5679249-A   PALL CORP (PALL)   MILLER J D,  FENDYA T J,  RYAN J E,  RANDHAHN H,  VOGELMANN H,  HURWITZ M F,  MUSTO E M;  US5738708-A   UNIV CALIFORNIA (REGC)   PEACHEY N M,  DYE R C,  SNOW R C,  BIRDSELL S A;  US5741474-A   NGK INSULATORS LTD (NIGA)   ISOMURA M,  SOMA T,  TAKAHASHI T;  US5741605-A   WESTINGHOUSE ELECTRIC CORP (WESE)   GILLETT J E,  DEDERER J T,  ZAFRED P R,  COLLIE J C;  US5795666-A   JOHNSSEN W (JOHN-Individual)   JOHNSSEN W;  US5811065-A   BALLARD GENERATION SYSTEMS INC (BALL-Non-standard)   STERENBERG D J;  US5861137-A   EDLUND D J (EDLU-Individual)   EDLUND D J;  US5874051-A   DAIMLER-BENZ AG (DAIM)   HEIL D,  STROBEL B,  WIESHEU N,  ZUR MEGEDE D,  BENZ U;  US5888273-A   BUXBAUM R E (BUXB-Individual)   BUXBAUM R E;  US5897970-A   NGK INSULATORS LTD (NIGA)   ISOMURA M,  SOMA T,  TAKAHASHI T;  US5925476-A   TOYOTA JIDOSHA KK (TOYT)   KAWATSU S;  US5931987-A   BUXBAUM R E (BUXB-Individual)   BUXBAUM R E;  US5932181-A   YUKONG LTD (YUKO-Non-standard)   KIM T C,  YOON G S,  CHUNG S J,  HAN J S,  HYUNG J H;  US5938800-A   MCDERMOTT TECHNOLOGY INC (MCDE-Non-standard)   VERRILL C L,  MCILROY R A,  PRIVETTE R M,  CHANEY L J,  KNEIDEL K E;  US5955044-A   ;  US5980989-A   NGK INSULATORS LTD (NIGA)   TAKAHASHI T,  KOSAKA S;  US5997594-A   NORTHWEST POWER SYSTEMS LLC (BLRD)   EDLUND D J,  PLEDGER W A;  US6051192-A   INT FUEL CELLS CORP (ITFU)   MASTON V A,  RAYMOND M S,  GRUBB P A,  MALINOWSKI T S,  VANDINE L L,  SEDERQUIST R A;  US6098620-A   ARADIGM CORP (ARAD-Non-standard)   LLOYD L J,  RUBSAMEN R M,  SCHUSTER J A,  LLOYD P M;  US6129861-A   FORSCHUNGSZENTRUM JUELICH GMBH (KERJ)   MEUSINGER J,  DE HAART L G J,  STIMMING U;  US6152987-A   WORCESTER POLYTECHNIC INST (WORC-Non-standard)   MA Y H,  MARDILOVICH P P,  SHE Y;  US6152995-A   NORTHWEST POWER SYSTEMS LLC (BLRD)   EDLUND D J;  US6165438-A   UNIV CALIFORNIA (REGC);  WILLMS R S (WILL-Individual);  BIRDSELL S A (BIRD-Individual)   WILLMS R S,  BIRDSELL S A;  US20010000380-A1   ;  US20010018139-A1   ;  US20010045061-A1   ;  US20010049038-A1   ;  US20010053472-A1   ;  US20020041837-A1   ;  US6168650-B1   BUXBAUM R E (BUXB-Individual)   BUXBAUM R E;  US6207132-B1   CHINA PETROLEUM CORP (CNPC)   LIN Y,  LEI M;  US6214090-B1   UNIV CALIFORNIA (REGC)   DYE R C,  SNOW R C;  US6214484-B1   VOLKSWAGEN AG (VOLS)   HAUER K;  US6221117-B1   NORTHWEST POWER SYSTEMS LLC (BLRD)   EDLUND D J,  PLEDGER W A;  US6231831-B1   DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   AUTENRIETH R,  POSCHMANN T,  WIELAND S,  HEIL D,  BONEBERG S;  US6242120-B1   IDATECH LLC (BLRD)   HERRON T G;  US6267792-B1   TOYOTA JIDOSHA KK (TOYT)   NAGAMIYA K,  YAMASHITA M,  YAMAOKA M,  MOTOZONO Y;  US6267801-B1   HERAEUS GMBH & CO KG W C (HERA)   BAAKE R,  LUPTON D F;  US6294149-B1   DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   AUTENRIETH R,  POSCHMANN T,  WIELAND S,  HEIL D,  BONEBERG S;  US6303245-B1   PLUG POWER INC (PLUG-Non-standard)   NELSON M H;  US6319306-B1   IDATECH LLC (BLRD)   EDLUND D J,  PLEDGER W A,  STUDEBAKER T;  US6375906-B1   IDATECH LLC (BLRD)   EDLUND D J,  HERRON T G;  US6376113-B1   NORTHWEST POWER SYSTEMS LLC (BLRD)   EDLUND D J,  PLEDGER W A;  US6383670-B1   IDATECH LLC (BLRD)   EDLUND D J,  HERRON T G,  PLEDGER W A;  WO1998052868-A1   ;  WO1999065097-A1   ;  WO2001068514-A2   ;  WO2002070402-A2   ;  JP4598529-B2 -- JP05147902-A   ;  JP06263402-A   ;  JP09002802-A   ;  JP11116202-A   ISHIKAWAJIMA HARIMA HEAVY IND (ISHI)   HAMADA Y;  JP2000510526-A   NORTHWEST POWER SYSTEMS LLC (BLRD)   EDLUND D J,  PLEDGER W A;  JP2002518792-A   MOBIL OIL CORP (MOBI)   LAPIERRE R B,  PARTRIDGE R D;  WO2004031073-A3 -- EP615949-A2   TOKYO GAS CO LTD (TOLG);  MITSUBISHI JUKOGYO KK (MITO)   SHIRASAKI Y,  GONDAIRA M,  OHTA Y,  UCHIDA H,  KURODA K,  UCHIDA T,  FUJIMOTO Y,  MAKIHARA H,  OHTA S,  KOBAYASHI K;  JP05147902-A   ;  JP11116202-A   ISHIKAWAJIMA HARIMA HEAVY IND (ISHI)   HAMADA Y;  JP90002802-A   ;  US5861137-A   EDLUND D J (EDLU-Individual)   EDLUND D J;  US5938800-A   MCDERMOTT TECHNOLOGY INC (MCDE-Non-standard)   VERRILL C L,  MCILROY R A,  PRIVETTE R M,  CHANEY L J,  KNEIDEL K E;  US6207132-B1   CHINA PETROLEUM CORP (CNPC)   LIN Y,  LEI M;  US6294149-B1   DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   AUTENRIETH R,  POSCHMANN T,  WIELAND S,  HEIL D,  BONEBERG S;  WO1999065097-A1   ;  WO2002070402-A2