EP1469542-A1 -- EP1246282-A1   MATSUSHITA ELECTRIC IND CO LTD (MATU)   OHARA H,  KUSAKABE H,  YAMAZAKI T,  HASE N,  TAKEGUCHI S,  YAMAMOTO Y,  MATSUMOTO T,  FUJII S,  HATOH K,  HOSAKA M,  NIIKURA J,  NISHIDA K,  KANBARA T;  EP1378953-A1   MATSUSHITA ELECTRIC IND CO LTD (MATU)   SHIBATA S,  KUSAKABE H,  HATOH K,  HASE N,  TAKEGUCHI S,  KOBAYASHI S,  OHARA H;  EP1220347-A2   MATSUSHITA ELECTRIC IND CO LTD (MATU)   YAMAZAKI T,  YAMAMOTO Y,  KUSAKABE H,  OHARA H,  HASE N,  TAKEGUCHI S;  EP1403947-A2   MATSUSHITA ELECTRIC IND CO LTD (MATU)   SHIBATA S,  KUSAKABE H,  HATOH K,  HASE N,  TAKEGUCHI S,  OHARA H,  MATSUMOTO T,  KOKAWA K,  URATA T;  JP2002343400-A   ;  JP2003223922-A   ;  WO2003088395-A1   MATSUSHITA ELECTRIC IND CO LTD (MATU)   HASE N,  HATOH K,  KUSAKABE H,  OHARA H,  KOBAYASHI S,  SHIBATA S,  TAKEGUCHI S;  US2004247986-A1 -- US4508793-A   SANYO ELECTRIC CO (SAOL)   KUMETA M,  MATSUOKA K;  US5158837-A   NGK INSULATORS LTD (NIGA)   MISAWA H,  YAMADA S;  US5846668-A   TANAKA KIKINZOKU KOGYO KK (TANI);  WATANABE M (WATA-Individual)   WATANABE M;  US5853909-A   INT FUEL CELLS LLC (ITFU-Non-standard)   REISER C;  US6007933-A   PLUG POWER LLC (PLUG-Non-standard)   JONES D O;  US6015633-A   PLUG POWER LLC (PLUG-Non-standard)   CARLSTROM C M,  ACKER W P;  US6150049-A   PLUG POWER INC (PLUG-Non-standard)   NELSON M H,  CUSACK M J,  MILLER J R,  CARLSTROM C M;  US20020086195-A1   ;  US20020182474-A1   ;  US20030008189-A1   ;  US20030104265-A1   ;  US20030118881-A1   ;  US20030129468-A1   ;  US20030186106-A1   ;  US20040038100-A1   ;  US6207306-B1   INT FUEL CELLS LLC (ITFU)   SEDERQUIST R A;  US6303245-B1   PLUG POWER INC (PLUG-Non-standard)   NELSON M H;  US6500580-B1   PLUG POWER INC (PLUG-Non-standard)   MARVIN R H,  CARLSTROM C M;  US6723463-B2   HONDA GIKEN KOGYO KK (HOND)   SUGITA N,  WARIISHI Y,  KOSHINUMA M,  KOMURA T,  ONO H;  US7678490-B2 -- EP1246282-A1   MATSUSHITA ELECTRIC IND CO LTD (MATU)   OHARA H,  KUSAKABE H,  YAMAZAKI T,  HASE N,  TAKEGUCHI S,  YAMAMOTO Y,  MATSUMOTO T,  FUJII S,  HATOH K,  HOSAKA M,  NIIKURA J,  NISHIDA K,  KANBARA T;  EP1378953-A1   MATSUSHITA ELECTRIC IND CO LTD (MATU)   SHIBATA S,  KUSAKABE H,  HATOH K,  HASE N,  TAKEGUCHI S,  KOBAYASHI S,  OHARA H;  EP1422776-A1   MATSUSHITA ELECTRIC IND CO LTD (MATU)   HASE N,  HATOH K,  KUSAKABE H,  OHARA H,  KOBAYASHI S,  SHIBATA S,  TAKEGUCHI S;  EP1220347-A2   MATSUSHITA ELECTRIC IND CO LTD (MATU)   YAMAZAKI T,  YAMAMOTO Y,  KUSAKABE H,  OHARA H,  HASE N,  TAKEGUCHI S;  EP1403947-A2   MATSUSHITA ELECTRIC IND CO LTD (MATU)   SHIBATA S,  KUSAKABE H,  HATOH K,  HASE N,  TAKEGUCHI S,  OHARA H,  MATSUMOTO T,  KOKAWA K,  URATA T;  JP2001006715-A   DAIHATSU MOTOR CO LTD (DAHM)   NAKANISHI H;  JP2002343400-A   ;  JP2003223922-A   ;  US4508793-A   SANYO ELECTRIC CO (SAOL)   KUMETA M,  MATSUOKA K;  US5158837-A   NGK INSULATORS LTD (NIGA)   MISAWA H,  YAMADA S;  US5846668-A   TANAKA KIKINZOKU KOGYO KK (TANI);  WATANABE M (WATA-Individual)   WATANABE M;  US5853909-A   INT FUEL CELLS LLC (ITFU-Non-standard)   REISER C;  US6007933-A   PLUG POWER LLC (PLUG-Non-standard)   JONES D O;  US6015633-A   PLUG POWER LLC (PLUG-Non-standard)   CARLSTROM C M,  ACKER W P;  US6150049-A   PLUG POWER INC (PLUG-Non-standard)   NELSON M H,  CUSACK M J,  MILLER J R,  CARLSTROM C M;  US20020086195-A1   ;  US20020182474-A1   ;  US20030008189-A1   ;  US20030104265-A1   ;  US20030118881-A1   ;  US20030129468-A1   ;  US20030186106-A1   ;  US20040038100-A1   ;  US6207306-B1   INT FUEL CELLS LLC (ITFU)   SEDERQUIST R A;  US6303245-B1   PLUG POWER INC (PLUG-Non-standard)   NELSON M H;  US6500580-B1   PLUG POWER INC (PLUG-Non-standard)   MARVIN R H,  CARLSTROM C M;  US6723463-B2   HONDA GIKEN KOGYO KK (HOND)   SUGITA N,  WARIISHI Y,  KOSHINUMA M,  KOMURA T,  ONO H;  WO2003088395-A1   MATSUSHITA ELECTRIC IND CO LTD (MATU)   HASE N,  HATOH K,  KUSAKABE H,  OHARA H,  KOBAYASHI S,  SHIBATA S,  TAKEGUCHI S;  JP4659376-B2 -- JP2000164237-A   ;  JP2000357531-A   FUJI ELECTRIC CO LTD (FJIE)   TANAKA Y;  JP2001006715-A   DAIHATSU MOTOR CO LTD (DAHM)   NAKANISHI H;  JP2001118596-A   ;  JP2001155759-A   ;  JP2002252021-A   SANYO ELECTRIC CO LTD (SAOL)   YOSHIMOTO Y,  YASUO T,  HAMADA A