US2004121199-A1 -- US4622275-A   HITACHI LTD (HITA);  HITACHI ENG CO LTD (HITJ)   NOGUCHI Y,  ARAKAWA T,  NAGASAKI N,  SUGITA S,  TAKEUCHI M;  US4743516-A   HITACHI LTD (HITA);  HITACHI ENG CO LTD (HITJ)   NOGUCHI Y,  NAGASAKI N,  HATTORI Y,  YOKOSKA K,  SUGITA S;  US4859545-A   INT FUEL CELLS CORP (ITFU)   SCHEFFLER G W,  VARTANIAN G;  US4973528-A   INT FUEL CELLS CORP (ITFU)   SANDERSON R A;  US5084363-A   INT FUEL CELLS CORP (ITFU)   REISER C A;  US5319925-A   TURBOCONSULT BV (TURB-Non-standard);  ASA BV (ASAA-Non-standard);  HENDRIKS R (HEND-Individual)   HENDRIKS R,  ANKERSMIT H J;  US5413879-A   WESTINGHOUSE ELECTRIC CORP (WESE)   LINDER J M,  DOWDY T E,  LUNDBERG W L,  DOMERACKI W F;  US5449568-A   US DEPT ENERGY (USAT)   MICHELI P L,  WILLIAMS M C,  PARSONS E L;  US5482791-A   FUJI ELECTRIC CO LTD (FJIE)   SHINKAI H;  US5541014-A   US DEPT ENERGY (USAT)   SUDHOFF F A,  WILLIAMS M C,  MICHELI P L;  US5750278-A   WESTINGHOUSE ELECTRIC CORP (WESE)   ZAFRED P R,  GILLETT J E,  DEDERER J T;  US5811202-A   M-C POWER CORP (MCPO-Non-standard)   PETRAGLIA V J;  US5963201-A   APPLE COMPUTER INC (APPY)   BRINK D V,  YERGA C M,  MCGREGGOR K;  US5968680-A   ALLIED-SIGNAL INC (ALLC)   WOLFE D,  MINH N,  MEISTER K,  MATULICH D;  US6007931-A   INT FUEL CELLS CORP (ITFU)   FULLER T F,  MARGIOTT P R,  VAN DINE L L;  US6230494-B1   DELPHI TECHNOLOGIES INC (DELP)   BOTTI J J,  GRIEVE M J,  MILLER C E;  US7410713-B2 -- JP2002260698-A   NISSAN MOTOR CO LTD (NSMO)   KASHIWAGI N;  US4622275-A   HITACHI LTD (HITA);  HITACHI ENG CO LTD (HITJ)   NOGUCHI Y,  ARAKAWA T,  NAGASAKI N,  SUGITA S,  TAKEUCHI M;  US4743516-A   HITACHI LTD (HITA);  HITACHI ENG CO LTD (HITJ)   NOGUCHI Y,  NAGASAKI N,  HATTORI Y,  YOKOSKA K,  SUGITA S;  US4859545-A   INT FUEL CELLS CORP (ITFU)   SCHEFFLER G W,  VARTANIAN G;  US4973528-A   INT FUEL CELLS CORP (ITFU)   SANDERSON R A;  US5084363-A   INT FUEL CELLS CORP (ITFU)   REISER C A;  US5319925-A   TURBOCONSULT BV (TURB-Non-standard);  ASA BV (ASAA-Non-standard);  HENDRIKS R (HEND-Individual)   HENDRIKS R,  ANKERSMIT H J;  US5413879-A   WESTINGHOUSE ELECTRIC CORP (WESE)   LINDER J M,  DOWDY T E,  LUNDBERG W L,  DOMERACKI W F;  US5449568-A   US DEPT ENERGY (USAT)   MICHELI P L,  WILLIAMS M C,  PARSONS E L;  US5482791-A   FUJI ELECTRIC CO LTD (FJIE)   SHINKAI H;  US5541014-A   US DEPT ENERGY (USAT)   SUDHOFF F A,  WILLIAMS M C,  MICHELI P L;  US5750278-A   WESTINGHOUSE ELECTRIC CORP (WESE)   ZAFRED P R,  GILLETT J E,  DEDERER J T;  US5811202-A   M-C POWER CORP (MCPO-Non-standard)   PETRAGLIA V J;  US5963201-A   APPLE COMPUTER INC (APPY)   BRINK D V,  YERGA C M,  MCGREGGOR K;  US5968680-A   ALLIED-SIGNAL INC (ALLC)   WOLFE D,  MINH N,  MEISTER K,  MATULICH D;  US6007931-A   INT FUEL CELLS CORP (ITFU)   FULLER T F,  MARGIOTT P R,  VAN DINE L L;  US6230494-B1   DELPHI TECHNOLOGIES INC (DELP)   BOTTI J J,  GRIEVE M J,  MILLER C E