WO2007049931-A1 -- US5702845-A   CANON KK (CANO)   KAWAKAMI S,  KOBAYASHI N;  US6395423-B1   CANON KK (CANO)   KAWAKAMI S,  MISHINA S,  KOBAYASHI N;  US6558438-B1   NEC CORP (NIDE);  NEC MOBILE ENERGY CORP (NIDE)   SATOH M,  SHIRAKATA M,  KUMEUCHI T,  YAGETA H,  BANNAI Y,  OHYAMA N,  SHIMIZU R;  US2007122710-A1 -- US5702845-A   CANON KK (CANO)   KAWAKAMI S,  KOBAYASHI N;  US20070099088-A1   ;  US6395423-B1   CANON KK (CANO)   KAWAKAMI S,  MISHINA S,  KOBAYASHI N;  US6558438-B1   NEC CORP (NIDE);  NEC MOBILE ENERGY CORP (NIDE)   SATOH M,  SHIRAKATA M,  KUMEUCHI T,  YAGETA H,  BANNAI Y,  OHYAMA N,  SHIMIZU R;  KR789093-B1 -- KR2005001404-A   LG CHEM LTD (GLDS)   KIM Y,  LEE K,  LEE S,  ROH S,  KWON O;  EP1952463-A1 -- EP1102339-A2   MITSUBISHI CHEM CORP (MITU);  MATSUSHITA ELECTRIC IND CO LTD (MATU)   FUSE T,  SATOU H,  NISHIOKA K,  KASAMATSU S,  NITTA Y;  EP1205989-A2   MITSUI MINING CO LTD (MIMI)   UMENO T,  FUKUDA K,  TSUNAWAKI T,  HARA Y;  US20020164479-A1   ;  WO2004114439-A1   LG CHEM LTD (GLDS)   KIM Y,  LEE K,  LEE S,  ROH S,  KWON O;  CN101297420-B -- CN1226224-A   OSAKA GAS CO LTD (OSAG)   MABUCHI A,  FUJIMOTO H,  KASUH T,  TOKUMITSU K;  US5702845-A   CANON KK (CANO)   KAWAKAMI S,  KOBAYASHI N;  US6395423-B1   CANON KK (CANO)   KAWAKAMI S,  MISHINA S,  KOBAYASHI N;  US6558438-B1   NEC CORP (NIDE);  NEC MOBILE ENERGY CORP (NIDE)   SATOH M,  SHIRAKATA M,  KUMEUCHI T,  YAGETA H,  BANNAI Y,  OHYAMA N,  SHIMIZU R;  JP5394065-B2 -- JP2009514164-A   ;  JP2009514165-A   ;  WO2004114439-A1   LG CHEM LTD (GLDS)   KIM Y,  LEE K,  LEE S,  ROH S,  KWON O;  EP1952463-B1 -- EP1102339-A2   MITSUBISHI CHEM CORP (MITU);  MATSUSHITA ELECTRIC IND CO LTD (MATU)   FUSE T,  SATOU H,  NISHIOKA K,  KASAMATSU S,  NITTA Y;  EP1205989-A2   MITSUI MINING CO LTD (MIMI)   UMENO T,  FUKUDA K,  TSUNAWAKI T,  HARA Y;  US5702845-A   CANON KK (CANO)   KAWAKAMI S,  KOBAYASHI N;  US20020164479-A1   ;  US6395423-B1   CANON KK (CANO)   KAWAKAMI S,  MISHINA S,  KOBAYASHI N;  US6558438-B1   NEC CORP (NIDE);  NEC MOBILE ENERGY CORP (NIDE)   SATOH M,  SHIRAKATA M,  KUMEUCHI T,  YAGETA H,  BANNAI Y,  OHYAMA N,  SHIMIZU R;  WO2004114439-A1   LG CHEM LTD (GLDS)   KIM Y,  LEE K,  LEE S,  ROH S,  KWON O