US2003203269-A1 -- US4692391-A   FUJI ELECTRIC CO LTD (FJIE)   HIROTA T;  US4997728-A   TANAKA KIKINZOKU KOGYO KK (TANI)   ONODA Y,  WATANABE M;  US5176966-A   BALLARD POWER SYSTEMS INC (BLRD)   EPP D G,  WIENS B I;  US5547777-A   RICHARDS W R (RICH-Individual)   RICHARDS W R;  US5993787-A   JOHNSON & JOHNSON CONSUMER PROD (JOHJ)   SUN Y,  LIU J,  KIMBLETON E S,  WANG J C T;  US5993987-A   BALLARD POWER SYSTEMS INC (BLRD)   WOZNICZKA B,  FLETCHER N J,  GIBB P R;  US6200698-B1   PLUG POWER INC (PLUG-Non-standard)   CARLSTROM C M;  US6218039-B1   PLUG POWER INC (PLUG-Non-standard)   MEASE K L,  BRUNNER A K,  PITTS L A,  WINSLOW A F;  US6645659-B2   TOYOTA JIDOSHA KK (TOYT)   BISAKA T,  TANAKA H,  NISHIUMI H;  US6797425-B2   BLANCHET S (BLAN-Individual)   BLANCHET S;  US7045245-B2 -- CA2353210-A1   TOYOTA JIDOSHA KK (TOYT)   BISAKA T,  TANAKA H,  NISHIUMI H;  EP444383-A   TANAKA KIKINZOKU KOGYO KK (TANI)   ONODA Y,  WATANABE M;  EP860834-A2   GORE & ASSOC INC W L (GORE)   HANRAHAN J R;  EP981174-A2   MATSUSHITA ELECTRIC IND CO LTD (MATU)   HATOH K,  YASUMOTO E,  NISHIDA K,  GYOTEN H,  OHARA H,  UCHIDA M,  SUGAWARA Y,  KANBARA T,  MATSUMOTO T,  NAKAGAWA K;  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;  JP08055631-A   ;  JP08088018-A   ;  JP62271364-A   ;  US4692391-A   FUJI ELECTRIC CO LTD (FJIE)   HIROTA T;  US4997728-A   TANAKA KIKINZOKU KOGYO KK (TANI)   ONODA Y,  WATANABE M;  US5176966-A   BALLARD POWER SYSTEMS INC (BLRD)   EPP D G,  WIENS B I;  US5484666-A   BALLARD POWER SYSTEMS INC (BLRD)   POW E G,  SCHLOSSER W,  GIBB P,  VOSS H H;  US5547777-A   RICHARDS W R (RICH-Individual)   RICHARDS W R;  US5789091-A   BALLARD POWER SYSTEMS INC (BLRD)   WOZNICZKA B,  FLETCHER N J,  GIBB P R;  US5993987-A   BALLARD POWER SYSTEMS INC (BLRD)   WOZNICZKA B,  FLETCHER N J,  GIBB P R;  US6040072-A   LYNNTECH INC (LYNN-Non-standard)   MURPHY O J,  SALINAS C,  CISAR A J;  US6200698-B1   PLUG POWER INC (PLUG-Non-standard)   CARLSTROM C M;  US6218039-B1   PLUG POWER INC (PLUG-Non-standard)   MEASE K L,  BRUNNER A K,  PITTS L A,  WINSLOW A F;  US6645659-B2   TOYOTA JIDOSHA KK (TOYT)   BISAKA T,  TANAKA H,  NISHIUMI H;  US6797425-B2   BLANCHET S (BLAN-Individual)   BLANCHET S