WO2006019197-A1 -- KR2004003658-A   LG ELECTRONICS INC (GLDS)   CHO T H,  CHOI H,  HUH S G,  HWANG Y J,  KIM C H,  KO S T,  LEE M H,  PARK M S;  US3511710-A   VARTA AG (VART);  US20030235748-A1   ;  US2008003463-A1 -- US4810597-A   HITACHI LTD (HITA)   KUMAGAI T,  HORIBA T,  KAMO T,  TAKEUCHI S,  HITACHIOH I,  IWAMOTO K,  KITAMI K,  TAMURA K;  US6830841-B2   NISSAN MOTOR CO LTD (NSMO)   SAITO K;  US6991865-B2   MTI MICROFUEL CELLS INC (MTIM-Non-standard)   ACKER W P,  ADLER M S,  GOTTESFELD S;  US7470478-B2   CALIFORNIA INST OF TECHNOLOGY (CALY)   SURAMPUDI S,  FRANK H A,  NARAYANAN S R,  CHUN W,  JEFFRIES-NAKAMURA B,  KINDLER A,  HALPERT G;  US7479342-B2   MATSUSHITA DENKI SANGYO KK (MATU)   HASEGAWA K,  AOYAMA T,  HIGASHIOJI M,  SHIMOTASHIRO M,  ONO M,  HORI M,  ODAGIRI M;  US7563530-B2   SAMSUNG SDI CO LTD (SMSU)   KIM H,  CHOI K;  US7910251-B2 -- CN1567627-A   ;  EP1038832-A1   TOYOTA JIDOSHA KK (TOYT)   AOYAMA S;  JP74007699-B   ;  KR2004003658-A   LG ELECTRONICS INC (GLDS)   CHO T H,  CHOI H,  HUH S G,  HWANG Y J,  KIM C H,  KO S T,  LEE M H,  PARK M S;  RU2186019-C2   TOYOTA JIDOSHA KK (TOYT)   AOYAMA S;  US3511710-A   VARTA AG (VART);  US4810597-A   HITACHI LTD (HITA)   KUMAGAI T,  HORIBA T,  KAMO T,  TAKEUCHI S,  HITACHIOH I,  IWAMOTO K,  KITAMI K,  TAMURA K;  US6001499-A   GENERAL MOTORS CORP (GENK);  UNIV CALIFORNIA (REGC)   NEUTZLER J K,  BORUP R L,  WEISBROD K,  GROT S A,  MELTSER M A,  GUTOWSKI S;  US20030143443-A1   ;  US20030190504-A1   ;  US20030235748-A1   ;  US20070048570-A1   ;  US20070048581-A1   ;  US20070054161-A1   ;  US6350423-B1   TOYOTA JIDOSHA KK (TOYT)   AOYAMA S;  US6830841-B2   NISSAN MOTOR CO LTD (NSMO)   SAITO K;  US6991865-B2   MTI MICROFUEL CELLS INC (MTIM-Non-standard)   ACKER W P,  ADLER M S,  GOTTESFELD S;  US7470478-B2   CALIFORNIA INST OF TECHNOLOGY (CALY)   SURAMPUDI S,  FRANK H A,  NARAYANAN S R,  CHUN W,  JEFFRIES-NAKAMURA B,  KINDLER A,  HALPERT G;  US7479342-B2   MATSUSHITA DENKI SANGYO KK (MATU)   HASEGAWA K,  AOYAMA T,  HIGASHIOJI M,  SHIMOTASHIRO M,  ONO M,  HORI M,  ODAGIRI M;  US7563530-B2   SAMSUNG SDI CO LTD (SMSU)   KIM H,  CHOI K