US2005095485-A1 -- US162080-A   ;  US1107722-A   ;  US3278336-A   ;  US3516866-A   ALSTHOM SOC GEN CONSTR ELEC (ALST);  US4615107-A   SANYO ELECTRIC CO (SAOL);  KUMETA M (KUME-Individual)   KUMETA M,  IDE M,  NISHIZAWA N,  INOUE S,  GOTO H;  US4719157-A   SANYO ELECTRIC CO (SAOL);  SANYO MOTOR KK (SANY-Non-standard)   HAGINO H,  FUJIWARA O,  GOTO K;  US5009968-A   INT FUEL CELLS CORP (ITFU)   GUTHRIE R J,  KATZ M,  SCHROLL C R;  US5484666-A   BALLARD POWER SYSTEMS INC (BLRD)   POW E G,  SCHLOSSER W,  GIBB P,  VOSS H H;  US5629104-A   DETROIT CENT TOOL (DETR-Non-standard)   GOSTEK M,  CRAWFORD M H,  CRAWFORD M D,  WILSON C L;  US5945232-A   PLUG POWER LLC (PLUG-Non-standard)   ERNST W D,  MITTLEMAN G;  US5976725-A   MATSUSHITA ELECTRIC IND CO LTD (MATU)   GAMO T,  KURANAKA S,  MORITA Y,  SUZUKI J,  HAMANISHI M,  NAGAI S,  HATOH K,  YASUMOTO E;  US20020034673-A1   ;  US20030059662-A1   ;  US20030152819-A1   ;  US6270917-B1   MITSUBISHI DENKI KK (MITQ)   MAEDA H,  MITSUDA K,  FUKUMOTO H,  KANEYUKI K;  US6344290-B1   BOSSEL U G (BOSS-Individual)   BOSSEL U G;  US6348280-B1   MITSUBISHI ELECTRIC CORP (MITQ);  US6358641-B1   PLUG POWER INC (PLUG-Non-standard)   MEASE K L;  US6620540-B2   HONDA MOTOR CO LTD (HOND)   SUGITA S,  WARIISHI Y;  US6770396-B2   MATSUSHITA ELECTRIC IND CO LTD (MATU)   HATOH K,  KUSAKABE H,  OHARA H,  KOBAYASHI S,  YAMAZAKI T,  HASE N,  TAKEGUCHI S;  US6936367-B2   SARKAR P (SARK-Individual);  JOHANSON L (JOHA-Individual);  RHO H (RHOH-Individual)   SARKAR P,  JOHANSON L,  RHO H;  WO2005045982-A2 -- EP1094536-A1   GENERAL MOTORS CORP (GENK)   GROT S A;  EP981175-A2   MATSUSHITA ELECTRIC IND CO LTD (MATU)   OHARA H,  GYOTEN H,  HATOH K,  NISHIDA K,  UCHIDA M,  YASUMOTO E,  SUGAWARA Y,  KANBARA T,  MATSUMOTO T;  EP1283558-A2   HONDA GIKEN KOGYO KK (HOND)   HAYASHI K,  KATO H;  EP1304756-A2   DELPHI TECHNOLOGIES INC (DELP)   KEEGAN K R,  ENGLAND D M;  US3278336-A   ;  US4615107-A   SANYO ELECTRIC CO (SAOL);  KUMETA M (KUME-Individual)   KUMETA M,  IDE M,  NISHIZAWA N,  INOUE S,  GOTO H;  US4719157-A   SANYO ELECTRIC CO (SAOL);  SANYO MOTOR KK (SANY-Non-standard)   HAGINO H,  FUJIWARA O,  GOTO K;  US5009968-A   INT FUEL CELLS CORP (ITFU)   GUTHRIE R J,  KATZ M,  SCHROLL C R;  US6348280-B1   MITSUBISHI ELECTRIC CORP (MITQ);  WO1995028010-A1   ;  WO1998021773-A1   ;  WO2001013441-A2   ;  WO2002009208-A2