EP1091432-A2 -- EP50489-A   ;  EP817287-A1   MATSUSHITA ELECTRIC IND CO LTD (MATU)   ICHIYANAGI T,  KAKINO M,  SATO K,  HAMADA S,  IKOMA M;  EP1091427-A1   MATSUSHITA ELECTRIC IND CO LTD (MATU);  TOYOTA JIDOSHA KK (TOYT)   HAMADA S,  MORISHITA N,  FUJIOKA N,  IKOMA M;  GB1218329-A   ;  GB2162363-A   ;  US3844841-A   ENERGY RES CORP (ENER-Non-standard);  US6982131-B1 -- EP50489-A   ;  EP669663-A1   MATSUSHITA ELEC IND CO LTD (MATU)   HAMADA S,  TAKATA K,  YOKOTA A,  MATSUDA H,  IKOMA M;  EP771037-A1   MATSUSHITA ELECTRIC IND CO LTD (MATU)   HAMADA S,  MARUKAWA S,  INOUE H,  IKOMA M;  EP817287-A1   MATSUSHITA ELECTRIC IND CO LTD (MATU)   ICHIYANAGI T,  KAKINO M,  SATO K,  HAMADA S,  IKOMA M;  EP962993-A1   MATSUSHITA ELECTRIC IND CO LTD (MATU);  TOYOTA JIDOSHA KK (TOYT)   FUKUDA S,  TAKAKI M,  SATOU K,  IWAMURA R,  YOKOYAMA T;  EP1091427-A1   MATSUSHITA ELECTRIC IND CO LTD (MATU);  TOYOTA JIDOSHA KK (TOYT)   HAMADA S,  MORISHITA N,  FUJIOKA N,  IKOMA M;  GB1218329-A   ;  GB2162363-A   ;  JP07161377-A   ;  JP08031398-A   ;  US3767467-A   ;  US3844841-A   ENERGY RES CORP (ENER-Non-standard);  US4207390-A   ;  US4592972-A   GATES ENERGY PRODUCTS INC (GATE-Non-standard)   JUERGENS T,  TESCH H;  US6230834-B1   DAIMLERCHRYSLER CORP (DAIM)   VAN HOUT J E,  DENOMY G;  US6455190-B1   MATSUSHITA ELECTRIC IND CO LTD (MATU);  TOYOTA JIDOSHA KK (TOYT)   INOUE H,  KAJIYA H,  MATSUNAKA N,  MASAKI M;  US437287-D   ;  WO1998031059-A1   ;  WO1999021236-A1   ;  EP1091432-B1 -- EP50489-A   ;  EP817287-A1   MATSUSHITA ELECTRIC IND CO LTD (MATU)   ICHIYANAGI T,  KAKINO M,  SATO K,  HAMADA S,  IKOMA M;  EP1091427-A1   MATSUSHITA ELECTRIC IND CO LTD (MATU);  TOYOTA JIDOSHA KK (TOYT)   HAMADA S,  MORISHITA N,  FUJIOKA N,  IKOMA M;  GB1218329-A   ;  GB2162363-A   ;  US3844841-A   ENERGY RES CORP (ENER-Non-standard);  JP4416266-B2 -- JP05217568-A   ;  JP06251762-A   ;  JP09199090-A   ;  JP10125291-A   ;  JP11213962-A   YUASA CORP KK (YUAS)   MIYATA H;  JP2001093508-A   MATSUSHITA ELECTRIC IND CO LTD (MATU);  TOYOTA JIDOSHA KK (TOYT)   HAMADA S,  INOUE H,  TANIGUCHI A,  MORISHITA N,  FUJIOKA N,  IKOMA M,  OGATA Y;  JP2001196103-A   MATSUSHITA ELECTRIC IND CO LTD (MATU)   OGATA Y,  HAMADA S;  JP2001229901-A   ;  JP4005054-U   ;  JP7007070-U   SEZ SEMICONDUCTOR-EQUIP ZUBEHOER (SEZS-Non-standard)   SUMNITSCH F;  JP4999818-B2 -- JP10125291-A   ;  JP11339734-A