US2004224212-A1 -- US20030072988-A1   ;  US20030129474-A1   ;  US6187464-B1   MATSUSHITA ELECTRIC IND CO LTD (MATU)   YASUMOTO E,  GYOTEN H,  HATOH K,  NISHIDA K,  KANBARA T;  US6355371-B1   PLUG POWER INC (PLUG-Non-standard)   FARKASH R H,  CARLSTROM C M,  HOYT R A,  SKRZYCKE D P;  US6440597-B1   TOYOTA JIDOSHA KK (TOYT)   MIZUNO S;  US7063911-B1   NOK CORP (NIOD)   NAGAI O,  WAKAMATSU S,  KUROKI Y;  US6649097-B2   NOK CORP (NIOD)   SASAKI Y,  SENDA K,  NAGAI O,  WAKAMATSU S,  ANDO O,  FUJIMOTO T;  US7008584-B2   HONDA GIKEN KOGYO KK (HOND)   INOUE M,  SUENAGA T,  KIMURA N,  ANDOU K;  JP4109570-B2 -- JP10074530-A   ;  JP11129396-A   AISIN TAKAOKA KK (AISN);  MITSUBISHI PLASTICS IND LTD (MISD)   MATSUKAWA M,  FUJIMI Y,  TSUNEKAWA T,  YAMAGUCHI E;  JP2000033630-A   ;  JP2000133288-A   NOK CORP (NIOD)   SENDA K,  NAGAI O,  WAKAMATSU S,  ANDO O,  FUJIMOTO T;  JP2000182639-A   TOYOTA JIDOSHA KK (TOYT)   MIZUNO S;  JP2001185174-A   NOK CORP (NIOD)   SASAKI Y,  SENDA K,  NAGAI O,  WAKAMATSU S,  ANDO O,  FUJIMOTO T;  JP2001283893-A   ;  JP2002042837-A   HONDA MOTOR CO LTD (HOND)   INOUE M,  KIMURA K,  TSUJI M;  JP2002158018-A   SANYO ELECTRIC CO LTD (SAOL)   SAKAMOTO S,  HAMADA A,  AZEGAMI Y,  YASUO K;  JP2002198071-A   ;  JP2003229145-A   ;  JP2004207071-A   HONDA MOTOR CO LTD (HOND)   TANAKA H,  NISHIYAMA T,  OKONOGI D,  NAKAGAWA T;  US7674550-B2 -- CA2442067-A1   NOK CORP (NIOD)   KUROKI Y,  SENDA K,  KURANO Y,  INOUE T;  DE10260626-A1   HONDA GIKEN KOGYO KK (HOND)   KIKUCHI H,  SUGITA N,  NAKANISHI Y,  NISHIYAMA T,  ANDOU K;  DE19960516-A1   TOYOTA JIDOSHA KK (TOYT)   MIZUNO S;  JP10074530-A   ;  JP11129396-A   AISIN TAKAOKA KK (AISN);  MITSUBISHI PLASTICS IND LTD (MISD)   MATSUKAWA M,  FUJIMI Y,  TSUNEKAWA T,  YAMAGUCHI E;  JP2000033630-A   ;  JP2000133288-A   NOK CORP (NIOD)   SENDA K,  NAGAI O,  WAKAMATSU S,  ANDO O,  FUJIMOTO T;  JP2000182639-A   TOYOTA JIDOSHA KK (TOYT)   MIZUNO S;  JP2001185174-A   NOK CORP (NIOD)   SASAKI Y,  SENDA K,  NAGAI O,  WAKAMATSU S,  ANDO O,  FUJIMOTO T;  JP2001283893-A   ;  JP2001332276-A   ;  JP2002042837-A   HONDA MOTOR CO LTD (HOND)   INOUE M,  KIMURA K,  TSUJI M;  JP2002158018-A   SANYO ELECTRIC CO LTD (SAOL)   SAKAMOTO S,  HAMADA A,  AZEGAMI Y,  YASUO K;  JP2002198071-A   ;  JP2002237317-A   HONDA GIKEN KOGYO KK (HOND)   INOUE M,  SUENAGA T,  KIMURA N,  ANDOU K;  JP2003229145-A   ;  JP2004207071-A   HONDA MOTOR CO LTD (HOND)   TANAKA H,  NISHIYAMA T,  OKONOGI D,  NAKAGAWA T;  JP10745530   ;  US20030072988-A1   ;  US20030129474-A1   ;  US6187464-B1   MATSUSHITA ELECTRIC IND CO LTD (MATU)   YASUMOTO E,  GYOTEN H,  HATOH K,  NISHIDA K,  KANBARA T;  US6355371-B1   PLUG POWER INC (PLUG-Non-standard)   FARKASH R H,  CARLSTROM C M,  HOYT R A,  SKRZYCKE D P;  US6440597-B1   TOYOTA JIDOSHA KK (TOYT)   MIZUNO S;  US7063911-B1   NOK CORP (NIOD)   NAGAI O,  WAKAMATSU S,  KUROKI Y;  US6649097-B2   NOK CORP (NIOD)   SASAKI Y,  SENDA K,  NAGAI O,  WAKAMATSU S,  ANDO O,  FUJIMOTO T;  US7008584-B2   HONDA GIKEN KOGYO KK (HOND)   INOUE M,  SUENAGA T,  KIMURA N,  ANDOU K