US2004229102-A1 -- US3527618-A   UNITED AIRCRAFT CORP (UNAC);  US3847672-A   UNITED AIRCRAFT CORP (UNAC);  US4532192-A   ENERGY RES CORP (ENER-Non-standard);  MITSUBISHI DENKI KK (MITQ)   BAKER B S,  GHEZEAYAG H G;  US5039579-A   ISHIKAWAJIMA-HARIMA (ISHI)   KINOSHITA N;  US5068159-A   ISHIKAWAJIMA-HARIMA (ISHI)   KINOSHITA N;  US5079103-A   LINDE AG (LINM)   SCHRAMM W;  US5232793-A   ISHIKAWAJIMA HARIMA JUKOGYO KK (ISHI);  MIYAUCHI T (MIYA-Individual)   MIYAUCHI T,  HIRATA T,  IKEDA H,  NAKAZAWA K,  UEMATSHHAO R I S;  US5413878-A   US DEPT ENERGY (USAT)   ARCHER D H,  WIMER J G,  WILLIAMS M C;  US5866090-A   TOSHIBA KK (TOKE)   NAKAGAWA K,  OZU H,  AKASAKA Y,  TOMIMATSU M,  WATANABE A;  US6103143-A   AIR PROD & CHEM INC (AIRP)   SIRCAR S,  HUFTON J R,  NATARAJ S;  US20020142208-A1   ;  US6245127-B1   PRAXAIR TECHNOLOGY INC (PRAX)   ACKLEY M W,  NOTARO F,  KANE M S,  LEAVITT F W;  US6331366-B1   INT FUEL CELLS LLC (ITFU)   VAN DINE L L,  GRASSO A P;  US6387845-B1   TOSHIBA KK (TOKE)   NAKAGAWA K,  KATO M,  OOHASHI T,  YOSHIKAWA S,  ESSAKI K;  US6458478-B1   WANG C S (WANG-Individual)   WANG C S,  LYONS J D;  US6627338-B2   BALLARD POWER SYSTEMS INC (BLRD)   ST-PIERRE J,  WILKINSON D P,  WAINWRIGHT D S;  WO2004105158-A2 -- JP63166157-A   MITSUBISHI HEAVY IND CO LTD (MITO)   KANEKO S,  GENGO T,  SAKAI M,  IZUMI;  US4532192-A   ENERGY RES CORP (ENER-Non-standard);  MITSUBISHI DENKI KK (MITQ)   BAKER B S,  GHEZEAYAG H G;  US5079103-A   LINDE AG (LINM)   SCHRAMM W;  US6331366-B1   INT FUEL CELLS LLC (ITFU)   VAN DINE L L,  GRASSO A P;  US6458478-B1   WANG C S (WANG-Individual)   WANG C S,  LYONS J D;  US6627338-B2   BALLARD POWER SYSTEMS INC (BLRD)   ST-PIERRE J,  WILKINSON D P,  WAINWRIGHT D S;  EP1639665-A2 -- EP376219-A   ISHIKAWAJIMA-HARIMA (ISHI)   KINOSHITA N;  JP62274561-A   ;  US7060382-B2 -- JP63166157-A   MITSUBISHI HEAVY IND CO LTD (MITO)   KANEKO S,  GENGO T,  SAKAI M,  IZUMI;  US4532192-A   ENERGY RES CORP (ENER-Non-standard);  MITSUBISHI DENKI KK (MITQ)   BAKER B S,  GHEZEAYAG H G;  US5079103-A   LINDE AG (LINM)   SCHRAMM W;  US6331366-B1   INT FUEL CELLS LLC (ITFU)   VAN DINE L L,  GRASSO A P;  US6458478-B1   WANG C S (WANG-Individual)   WANG C S,  LYONS J D;  US6627338-B2   BALLARD POWER SYSTEMS INC (BLRD)   ST-PIERRE J,  WILKINSON D P,  WAINWRIGHT D S;  US3527618-A   UNITED AIRCRAFT CORP (UNAC);  US3847672-A   UNITED AIRCRAFT CORP (UNAC);  US5039579-A   ISHIKAWAJIMA-HARIMA (ISHI)   KINOSHITA N;  US5068159-A   ISHIKAWAJIMA-HARIMA (ISHI)   KINOSHITA N;  US5232793-A   ISHIKAWAJIMA HARIMA JUKOGYO KK (ISHI);  MIYAUCHI T (MIYA-Individual)   MIYAUCHI T,  HIRATA T,  IKEDA H,  NAKAZAWA K,  UEMATSHHAO R I S;  US5413878-A   US DEPT ENERGY (USAT)   ARCHER D H,  WIMER J G,  WILLIAMS M C;  US5866090-A   TOSHIBA KK (TOKE)   NAKAGAWA K,  OZU H,  AKASAKA Y,  TOMIMATSU M,  WATANABE A;  US6103143-A   AIR PROD & CHEM INC (AIRP)   SIRCAR S,  HUFTON J R,  NATARAJ S;  US20020142208-A1   ;  US6245127-B1   PRAXAIR TECHNOLOGY INC (PRAX)   ACKLEY M W,  NOTARO F,  KANE M S,  LEAVITT F W;  US6387845-B1   TOSHIBA KK (TOKE)   NAKAGAWA K,  KATO M,  OOHASHI T,  YOSHIKAWA S,  ESSAKI K;  WO1999046032-A2   ;  KR768973-B1 -- JP63166157-A   MITSUBISHI HEAVY IND CO LTD (MITO)   KANEKO S,  GENGO T,  SAKAI M,  IZUMI;  US4532192-A   ENERGY RES CORP (ENER-Non-standard);  MITSUBISHI DENKI KK (MITQ)   BAKER B S,  GHEZEAYAG H G;  US5079103-A   LINDE AG (LINM)   SCHRAMM W;  US6331366-B1   INT FUEL CELLS LLC (ITFU)   VAN DINE L L,  GRASSO A P;  US6458478-B1   WANG C S (WANG-Individual)   WANG C S,  LYONS J D;  US6627338-B2   BALLARD POWER SYSTEMS INC (BLRD)   ST-PIERRE J,  WILKINSON D P,  WAINWRIGHT D S