EP1439593-A2 -- EP971428-A2   TOYOTA JIDOSHA KK (TOYT)   IWASE M,  HAMADA H;  JP06267564-A   ;  US20020146603-A1   ;  US2004157103-A1 -- US4810595-A   HITACHI LTD (HITA);  NEW ENERGY DEV ORGANISATION (NEWE-Non-standard)   TAKEUCHI M,  KAHARA T,  OKADA H,  IWAMOTO K,  IWASE Y,  KAMO Y,  MITSUGI K;  US5230966-A   BALLARD POWER SYSTEMS INC (BLRD)   VOSS H H,  CHOW C Y;  US5376472-A   CERAMATEC INC (CERA-Non-standard)   PROUSE D W,  ELANGOVAN S,  HARTVIGSEN J J,  KHANDKAR A C;  US5773160-A   BALLARD POWER SYSTEMS INC (BLRD)   FLETCHER N J,  VOSS H H,  JOHNSON M C,  POW E G,  WILKINSON D P;  US5840438-A   BALLARD POWER SYSTEMS INC (BLRD)   JOHNSON M C,  WILKINSON D P,  ASMAN C P,  BOS M L,  POTTER R J;  US5998054-A   PLUG POWER LLC (PLUG-Non-standard)   JONES D O,  WALSH M M;  US6015633-A   PLUG POWER LLC (PLUG-Non-standard)   CARLSTROM C M,  ACKER W P;  US6025084-A   NGK INSULATORS LTD (NIGA)   KAWASAKI S,  OKUMURA K;  US6159629-A   BALLARD POWER SYSTEMS INC (BLRD)   GIBB P R,  YIP D K;  US20010019792-A1   ;  US20010045001-A1   ;  US20020146611-A1   ;  US20030003345-A1   ;  US20030023260-A1   ;  US20030082433-A1   ;  US20030118878-A1   ;  US20030129473-A1   ;  US20030134180-A1   ;  US20030175577-A1   ;  US20030203271-A1   ;  US20030215694-A1   ;  US20040071865-A1   ;  US6277511-B1   TOYOTA JIDOSHA KK (TOYT)   IWASE M,  HAMADA H;  US6322915-B1   INT FUEL CELLS LLC (ITFU)   COLLINS W P,  VAN DINE L L;  US6413664-B1   BALLARD POWER SYSTEMS INC (BLRD)   WILKINSON D P,  VANDERLEEDEN O,  DUDLEY J T;  US6451467-B1   PLUG POWER INC (PLUG-Non-standard)   PESCHKE N,  RICHARDSON C;  US6503651-B1   VAN NGUYEN T (VNGU-Individual)   VAN NGUYEN T;  US6593022-B1   BG PLC (GASC)   MCLEAN G F;  US6638658-B1   BG PLC (GASC)   MCLEAN G F;  US6602628-B2   HONDA GIKEN KOGYO KK (HOND)   UEDA K,  SAITOU K,  KOBAYASHI T;  US6607858-B2   BALLARD POWER SYSTEMS INC (BLRD)   BARTON R H,  GIBB P R,  RONNE J A,  VOSS H H;  US6650968-B2   HALLUM R (HALL-Individual);  KUECKELS E (KUEC-Individual);  GRAHAM R J (GRAH-Individual);  SOLODOW A (SOLO-Individual);  TORPEY M (TORP-Individual);  BALLANTINE A (BALL-Individual);  COMI C (COMI-Individual)   HALLUM R,  KUECKELS E,  GRAHAM R J,  SOLODOW A,  TORPEY M,  BALLANTINE A,  COMI C;  US7479341-B2 -- JP2001143740-A   HONDA GIKEN KK (HOND)   SUGITA N,  OSAO N,  USHIO T;  JP2002050392-A   HONDA MOTOR CO LTD (HOND)   SUZUKI S,  FUJII Y;  JP2002083610-A   ;  US4810595-A   HITACHI LTD (HITA);  NEW ENERGY DEV ORGANISATION (NEWE-Non-standard)   TAKEUCHI M,  KAHARA T,  OKADA H,  IWAMOTO K,  IWASE Y,  KAMO Y,  MITSUGI K;  US5230966-A   BALLARD POWER SYSTEMS INC (BLRD)   VOSS H H,  CHOW C Y;  US5376472-A   CERAMATEC INC (CERA-Non-standard)   PROUSE D W,  ELANGOVAN S,  HARTVIGSEN J J,  KHANDKAR A C;  US5773160-A   BALLARD POWER SYSTEMS INC (BLRD)   FLETCHER N J,  VOSS H H,  JOHNSON M C,  POW E G,  WILKINSON D P;  US5840438-A   BALLARD POWER SYSTEMS INC (BLRD)   JOHNSON M C,  WILKINSON D P,  ASMAN C P,  BOS M L,  POTTER R J;  US5998054-A   PLUG POWER LLC (PLUG-Non-standard)   JONES D O,  WALSH M M;  US6015633-A   PLUG POWER LLC (PLUG-Non-standard)   CARLSTROM C M,  ACKER W P;  US6025084-A   NGK INSULATORS LTD (NIGA)   KAWASAKI S,  OKUMURA K;  US6159629-A   BALLARD POWER SYSTEMS INC (BLRD)   GIBB P R,  YIP D K;  US20010004501-A1   ;  US20010019792-A1   ;  US20020146611-A1   ;  US20030003345-A1   ;  US20030082433-A1   ;  US20030118878-A1   ;  US20030129473-A1   ;  US20030134180-A1   ;  US20030175577-A1   ;  US20030203260-A1   ;  US20030203271-A1   ;  US20030215694-A1   ;  US20040071865-A1   ;  US6277511-B1   TOYOTA JIDOSHA KK (TOYT)   IWASE M,  HAMADA H;  US6322915-B1   INT FUEL CELLS LLC (ITFU)   COLLINS W P,  VAN DINE L L;  US6413664-B1   BALLARD POWER SYSTEMS INC (BLRD)   WILKINSON D P,  VANDERLEEDEN O,  DUDLEY J T;  US6451467-B1   PLUG POWER INC (PLUG-Non-standard)   PESCHKE N,  RICHARDSON C;  US6503651-B1   VAN NGUYEN T (VNGU-Individual)   VAN NGUYEN T;  US6593022-B1   BG PLC (GASC)   MCLEAN G F;  US6638658-B1   BG PLC (GASC)   MCLEAN G F;  US6602628-B2   HONDA GIKEN KOGYO KK (HOND)   UEDA K,  SAITOU K,  KOBAYASHI T;  US6607858-B2   BALLARD POWER SYSTEMS INC (BLRD)   BARTON R H,  GIBB P R,  RONNE J A,  VOSS H H;  US6650968-B2   HALLUM R (HALL-Individual);  KUECKELS E (KUEC-Individual);  GRAHAM R J (GRAH-Individual);  SOLODOW A (SOLO-Individual);  TORPEY M (TORP-Individual);  BALLANTINE A (BALL-Individual);  COMI C (COMI-Individual)   HALLUM R,  KUECKELS E,  GRAHAM R J,  SOLODOW A,  TORPEY M,  BALLANTINE A,  COMI C;  WO2002054522-A1   ;  EP1439593-A3 -- EP971428-A2   TOYOTA JIDOSHA KK (TOYT)   IWASE M,  HAMADA H;  JP06267564-A   ;  US20020146603-A1   ;  JP5006506-B2 -- JP04051467-A   ;  JP09050819-A   ;  JP2001250568-A   ;  JP2002083610-A   ;  JP2002151104-A   HONDA GIKEN KOGYO KK (HOND)   FUJII Y,  OGAWA T,  KIKUCHI H,  SUZUKI M;  JP2002184428-A   TOYOTA JIDOSHA KK (TOYT)   SANO S,  TSUGANE T,  TANIGUCHI T,  HAMADA H,  MATSUMOTO S,  TAKAHASHI T,  YIXIN Z,  ASAI Y,  SUZUKI T;  EP1439593-B1 -- EP971428-A2   TOYOTA JIDOSHA KK (TOYT)   IWASE M,  HAMADA H;  JP06267564-A   ;  US20020146603-A1