US2004033404-A1 -- US4699853-A   HITACHI LTD (HITA)   OKEDA H,  OKEBE S,  IWASE Y,  TAKAUCHI M,  TAMURA K;  US5270131-A   GEBR SULZER AG (SULZ)   DIETHELM R,  BRUN J,  BARP B;  US5679482-A   DAIS CORP (DAIS-Non-standard)   RIDER J N,  WNEK G E,  EHRENBERG S G,  SERPICO J M;  US5750280-A   OSAKA GAS CO LTD (OSAG)   AKAGI K;  US5789091-A   BALLARD POWER SYSTEMS INC (BLRD)   WOZNICZKA B,  FLETCHER N J,  GIBB P R;  US5993987-A   BALLARD POWER SYSTEMS INC (BLRD)   WOZNICZKA B,  FLETCHER N J,  GIBB P R;  US20020127459-A1   ;  US6365293-B1   SANYO ELECTRIC CO LTD (SAOL)   ISONO T,  MIYAKE Y,  HAMADA A,  KANEKO M,  NAKATO K;  US6416897-B1   SIEMENS WESTINGHOUSE POWER CORP (SIEI)   TOMLINS G W,  JASZCAR M P;  US6838204-B1   HYBRID POWER GENERATION SYSTEMS LLC (HYBR-Non-standard)   BRUDNICKI M J;  US6815116-B2   UNIV CALIFORNIA (REGC)   LENZ D J,  CHUNG B W,  PHAM A Q;  EP1391954-A2 -- EP320087-A   WESTINGHOUSE ELECTRIC CORP (WESE)   REICHNER P;  EP419163-A   NGK INSULATORS LTD (NIGA)   ISHIHARA T,  MATSUHIRO K;  US6045935-A   CORNING INC (CORG)   KETCHAM T D,  POWELL W R,  STEWART R L,  ST JULIEN D J;  US6054228-A   LYNNTECH INC (LYNN-Non-standard)   CISAR A J,  WENG D,  MURPHY O J;  WO1999017390-A1   ;  US7063909-B2 -- EP1300902-A2   KELLY S M (KELL-Individual);  ENGLAND D M (ENGL-Individual);  MUKERJEE S (MUKE-Individual);  WEBER J (WEBE-Individual)   KELLY S M,  ENGLAND D M,  MUKERJEE S,  WEBER J;  US4699853-A   HITACHI LTD (HITA)   OKEDA H,  OKEBE S,  IWASE Y,  TAKAUCHI M,  TAMURA K;  US5270131-A   GEBR SULZER AG (SULZ)   DIETHELM R,  BRUN J,  BARP B;  US5679482-A   DAIS CORP (DAIS-Non-standard)   RIDER J N,  WNEK G E,  EHRENBERG S G,  SERPICO J M;  US5750280-A   OSAKA GAS CO LTD (OSAG)   AKAGI K;  US5789091-A   BALLARD POWER SYSTEMS INC (BLRD)   WOZNICZKA B,  FLETCHER N J,  GIBB P R;  US5993987-A   BALLARD POWER SYSTEMS INC (BLRD)   WOZNICZKA B,  FLETCHER N J,  GIBB P R;  US20020127459-A1   ;  US6365293-B1   SANYO ELECTRIC CO LTD (SAOL)   ISONO T,  MIYAKE Y,  HAMADA A,  KANEKO M,  NAKATO K;  US6416897-B1   SIEMENS WESTINGHOUSE POWER CORP (SIEI)   TOMLINS G W,  JASZCAR M P;  US6455179-B1   HONDA GIKEN KOGYO KK (HOND)   OSAO N,  USHIO T,  SUGITA N;  US6838204-B1   HYBRID POWER GENERATION SYSTEMS LLC (HYBR-Non-standard)   BRUDNICKI M J;  US6815116-B2   UNIV CALIFORNIA (REGC)   LENZ D J,  CHUNG B W,  PHAM A Q;  WO2002017419-A2   ;  WO2002078111-A2