EP1467429-A2 -- EP1052711-A1   MATSUSHITA ELECTRIC IND CO LTD (MATU)   MORIGAKI K,  IWAMOTA K,  KOSHINA H,  SHIMAMURA H,  NITTA Y;  EP1465267-A2   SONY CORP (SONY)   KUBOTA T,  ADACHI M,  FUJITA S;  JP10067849-A   SONY CORP (SONY)   TAKAHASHI K;  JP2002208311-A   TOYO RUBBER IND CO LTD (TOYF)   FUKUDA T,  YAMASHITA A,  WATANABE K,  KOMAMIZU K;  JP2002237293-A   JAPAN STORAGE BATTERY CO LTD (NIST)   OKADA M;  JP2002305031-A   SAMSUNG DENKAN KK (SMSU)   RO K,  KIN K;  JP2003051213-A   NITTO DENKO CORP (NITL)   FUJITA S,  YOSHII K,  UETANI Y;  US6013393-A   RICOH KK (RICO)   INOUE T,  KIMURA O,  OSAWA T;  US20020172862-A1   ;  WO2000016421-A1   ;  US2004234864-A1 -- US5556721-A   SEIKO INSTR INC (DASE);  SEIKO DENSHI BUHIN KK (DASE)   SASAKI T,  SAKAI T,  TAWARA K;  US6013393-A   RICOH KK (RICO)   INOUE T,  KIMURA O,  OSAWA T;  US20020172862-A1   ;  US20020177044-A1   ;  US20040115535-A1   ;  US6174626-B1   NITTO DENKO CORP (NITL)   KOJIMA M,  OMATA T;  US6432579-B1   KAO KK (KAOS);  US6569572-B1   YUASA CORP (YUAS);  MITSUI CHEM INC (MITA)   OCHIAI S,  IZUCHI S,  ISHITOKU T,  SHINDO M,  NOGI H;  US6699623-B1   DU PONT DE NEMOURS & CO E I (DUPO)   DAI H;  JP3932511-B2 -- JP11233116-A   CANON KK (CANO)   OGURA T,  KAWAKAMI S,  KOBAYASHI N;  JP2002208311-A   TOYO RUBBER IND CO LTD (TOYF)   FUKUDA T,  YAMASHITA A,  WATANABE K,  KOMAMIZU K;  JP2002237293-A   JAPAN STORAGE BATTERY CO LTD (NIST)   OKADA M;  JP2002305031-A   SAMSUNG DENKAN KK (SMSU)   RO K,  KIN K;  JP2002319431-A   SANYO ELECTRIC CO LTD (SAOL)   OTA T,  OSHITA R,  JINNO M;  JP2003051213-A   NITTO DENKO CORP (NITL)   FUJITA S,  YOSHII K,  UETANI Y;  EP1467429-A3 -- EP1052711-A1   MATSUSHITA ELECTRIC IND CO LTD (MATU)   MORIGAKI K,  IWAMOTA K,  KOSHINA H,  SHIMAMURA H,  NITTA Y;  EP1465267-A2   SONY CORP (SONY)   KUBOTA T,  ADACHI M,  FUJITA S;  JP10067849-A   SONY CORP (SONY)   TAKAHASHI K;  JP2002208311-A   TOYO RUBBER IND CO LTD (TOYF)   FUKUDA T,  YAMASHITA A,  WATANABE K,  KOMAMIZU K;  JP2002237293-A   JAPAN STORAGE BATTERY CO LTD (NIST)   OKADA M;  JP2002305031-A   SAMSUNG DENKAN KK (SMSU)   RO K,  KIN K;  JP2003051213-A   NITTO DENKO CORP (NITL)   FUJITA S,  YOSHII K,  UETANI Y;  US6013393-A   RICOH KK (RICO)   INOUE T,  KIMURA O,  OSAWA T;  US20020172862-A1   ;  WO2000016421-A1   ;  KR1047270-B1 -- JP2002208311-A   TOYO RUBBER IND CO LTD (TOYF)   FUKUDA T,  YAMASHITA A,  WATANABE K,  KOMAMIZU K;  JP2002237293-A   JAPAN STORAGE BATTERY CO LTD (NIST)   OKADA M