EP650207-A -- EP271043-A   MATSUSHITA ELEC IND CO LTD (MATU)   IKMA M,  KAWANO H,  MATSUMOTO I,  YANAGIHARA N;  EP337029-A   YUASA BATTERY CO LTD (YUAS)   OSHITANI M,  YUFU H;  EP353837-A   YUASA BATTERY CO LTD (YUAS);  YUASA CORP (YUAS)   OSHITANI M,  YUFU M H,  HASEGAWA K;  EP544011-A   YUASA BATTERY CO LTD (YUAS)   WATADA M,  OSHITANI M,  OHNISHI M;  JP4337246-A   JAPAN STORAGE BATTERY CO LTD (NIST);  EP650207-A1 -- EP271043-A   MATSUSHITA ELEC IND CO LTD (MATU)   IKMA M,  KAWANO H,  MATSUMOTO I,  YANAGIHARA N;  EP337029-A   YUASA BATTERY CO LTD (YUAS)   OSHITANI M,  YUFU H;  EP353837-A   YUASA BATTERY CO LTD (YUAS);  YUASA CORP (YUAS)   OSHITANI M,  YUFU M H,  HASEGAWA K;  EP544011-A   YUASA BATTERY CO LTD (YUAS)   WATADA M,  OSHITANI M,  OHNISHI M;  EP544011-A1   YUASA BATTERY CO LTD (YUAS)   WATADA M,  OSHITANI M,  OHNISHI M;  JP2030061-A   YUASA BATTERY CO LTD (YUAS);  YUASA CORP (YUAS)   OSHITANI M,  YUFU M H,  HASEGAWA K;  JP4337246-A   JAPAN STORAGE BATTERY CO LTD (NIST);  US5549992-A -- EP271043-A   MATSUSHITA ELEC IND CO LTD (MATU)   IKMA M,  KAWANO H,  MATSUMOTO I,  YANAGIHARA N;  EP337029-A   YUASA BATTERY CO LTD (YUAS)   OSHITANI M,  YUFU H;  EP353837-A   YUASA BATTERY CO LTD (YUAS);  YUASA CORP (YUAS)   OSHITANI M,  YUFU M H,  HASEGAWA K;  EP544011-A1   YUASA BATTERY CO LTD (YUAS)   WATADA M,  OSHITANI M,  OHNISHI M;  JP4337246-A   JAPAN STORAGE BATTERY CO LTD (NIST);  US4330603-A   US DEPT ENERGY (USAT);  WESTINGHOUSE ELECTRIC CORP (WESE)   JACKOVITZ J F,  PANTIER E A;  US4844999-A   YUASA BATTERY CO LTD (YUAS)   OSHITANI M,  YUFU H;  US5366831-A   YUASA BATTERY CO LTD (YUAS)   WATADA M,  OSHITANI M,  OHNISHI M;  EP650207-B1 -- EP271043-A   MATSUSHITA ELEC IND CO LTD (MATU)   IKMA M,  KAWANO H,  MATSUMOTO I,  YANAGIHARA N;  EP337029-A   YUASA BATTERY CO LTD (YUAS)   OSHITANI M,  YUFU H;  EP353837-A   YUASA BATTERY CO LTD (YUAS);  YUASA CORP (YUAS)   OSHITANI M,  YUFU M H,  HASEGAWA K;  EP544011-A   YUASA BATTERY CO LTD (YUAS)   WATADA M,  OSHITANI M,  OHNISHI M;  JP4337246-A   JAPAN STORAGE BATTERY CO LTD (NIST)