WO200054357-A1 -- JP11185791-A   ;  JP58201266-A   SANYO ELECTRIC CO (SAOL)   IDE M,  HAGINO H,  NISHIOKA M;  JP59207565-A   ;  JP61233978-A   FUJI ELECTRIC MFG CO LTD (FJIE)   IZUMIKAWA N,  SUGIYAMA T,  OUCHI T;  JP62211869-A   ;  US4178770-A   ;  US4599282-A   FUJI ELECTRIC MFG CO LTD (FJIE)   HIROTA T,  TAJIMA H,  SUGIYAMA T;  US5154986-A   YAMAHA HATSUDOKI KK (YMHA)   TAKECHI H,  MIZUNO Y,  ANMA T;  US5398365-A   MACKENZIE K (MACK-Individual)   MACKENZIE K;  US5510202-A   ROCKWELL INT CORP (ROCW)   MCCOY L R,  SPROUSE K M;  US35002-E   YAMAHA HATSUDOKI KK (YMHA)   MATSUBARA H,  MIZUNO Y,  HANASHIMA T;  US6497971-B1 -- JP04274174-A   ;  JP07282832-A   ;  JP11185791-A   ;  JP58201266-A   SANYO ELECTRIC CO (SAOL)   IDE M,  HAGINO H,  NISHIOKA M;  JP59207565-A   ;  JP61233978-A   FUJI ELECTRIC MFG CO LTD (FJIE)   IZUMIKAWA N,  SUGIYAMA T,  OUCHI T;  JP62211869-A   ;  US3441444-A   ;  US3994748-A   UNITED TECHNOLOGIES CORP (UNAC);  US4178770-A   ;  US4212929-A   US DEPT ENERGY (USAT)   GREVSTAD P E,  JOHNSON C K,  MIENTEK A P;  US4599282-A   FUJI ELECTRIC MFG CO LTD (FJIE)   HIROTA T,  TAJIMA H,  SUGIYAMA T;  US4859545-A   INT FUEL CELLS CORP (ITFU)   SCHEFFLER G W,  VARTANIAN G;  US4910099-A   US DEPT ENERGY (USAT)   GOTTESFELD S;  US5154986-A   YAMAHA HATSUDOKI KK (YMHA)   TAKECHI H,  MIZUNO Y,  ANMA T;  US5316747-A   BALLARD POWER SYSTEMS INC (BLRD)   POW E G,  TALABA M,  MCNEILLY L,  WATKINS D S,  LINES D A;  US5330727-A   INT FUEL CELLS CORP (ITFU)   TROCCIOLA J C,  SCHROLL C R,  LESIEUR R R;  US5432021-A   BALLARD POWER SYSTEMS INC (BLRD)   WILKINSON D P,  VOSS H H,  DUDLEY J,  LAMONT G J,  BASURA V;  US5456889-A   BALLARD POWER SYSTEMS INC (BLRD)   POW E G,  TALABA M,  MCNEILLY L,  WATKINS D S,  LINES D A;  US5482680-A   BALLARD POWER SYSTEMS INC (BLRD)   WILKINSON D P,  VOSS H H,  DUDLEY J,  LAMONT G J,  BASURA V;  US5486430-A   BALLARD POWER SYSTEMS INC (BLRD)   CHOW C Y,  GORBELL B N,  WOZNICZKA B M;  US5503944-A   INT FUEL CELLS CORP (ITFU)   MARGIOTT P R,  MEYER A P,  SCHEFFLER G W;  US5510202-A   ROCKWELL INT CORP (ROCW)   MCCOY L R,  SPROUSE K M;  US5514487-A   BALLARD POWER SYSTEMS INC (BLRD)   JAMES G A,  RAMJI S N,  WASHINGTON K B,  KENNA J T;  US5518705-A   BALLARD POWER SYSTEMS INC (BLRD)   MCNEILLY L,  WATKINS D S,  BUSWELL R F,  COHEN R;  US5798186-A   BALLARD POWER SYSTEMS INC (BLRD);  DAIMLER-BENZ AG (DAIM)   FLETCHER N J,  BOEHM G A,  POW E G;  US5932365-A   IND TECHNOLOGY RES INST (ITRI)   LIN C,  LIN A S,  CHENG Y;  US6057051-A   MATSUSHITA ELECTRIC IND CO LTD (MATU)   UCHIDA M,  FUKUOKA Y,  SUGAWARA Y,  EDA N;  US35002-E   YAMAHA HATSUDOKI KK (YMHA)   MATSUBARA H,  MIZUNO Y,  HANASHIMA T