WO9641393-A1 -- JP04043568-A   ;  JP60041767-A   ;  JP61085775-A   ;  JP62198058-A   ;  US3507702-A   UNITED AIRCRAFT CORP (UNAC);  US5193635-A   YAMAHA HATSUDOKI KK (YMHA)   MIZUNO Y,  HANAJIMA T,  MATSUBARA H;  US5316870-A   FUJI ELECTRIC CO LTD (FJIE)   OHGA S;  US5366821-A   BALLARD POWER SYSTEMS INC (BLRD)   MERRITT R D,  BLAIR J D;  US5409784-A   MASSACHUSETTS INST TECHNOLOGY (MASI)   BROMBERG L,  COHN D R,  RABINOVICH A;  WO1994010716-A1   ;  EP842548-B1 -- JP04043568-A   ;  JP60041767-A   ;  JP61085775-A   ;  JP62198058-A   ;  US3507702-A   UNITED AIRCRAFT CORP (UNAC);  US5193635-A   YAMAHA HATSUDOKI KK (YMHA)   MIZUNO Y,  HANAJIMA T,  MATSUBARA H;  US5316870-A   FUJI ELECTRIC CO LTD (FJIE)   OHGA S;  US5366821-A   BALLARD POWER SYSTEMS INC (BLRD)   MERRITT R D,  BLAIR J D;  US5409784-A   MASSACHUSETTS INST TECHNOLOGY (MASI)   BROMBERG L,  COHN D R,  RABINOVICH A;  WO1994010716-A1   ;  US6186254-B1 -- JP04043568-A   ;  JP60041767-A   ;  JP61085775-A   ;  JP62198058-A   ;  US3507702-A   UNITED AIRCRAFT CORP (UNAC);  US3801372-A   UNITED AIRCRAFT CORP (UNAC);  US4376097-A   EMELOCK M (EMEL-Individual)   EMELOCK M;  US4640873-A   SANYO ELECTRIC CO (SAOL)   TAJIMA O,  YAMADA M,  HAGINO H,  NISHIZAWA N;  US4824740-A   INT FUEL CELLS CORP (ITFU)   ABRAMS M L,  DAQUILA D L,  SCHEFFLER G W;  US5009967-A   INT FUEL CELLS CORP (ITFU);  UNITED TECHNOLOGIES CORP (UNAC)   SCHEFFLER G W;  US5047298-A   PERRY OCEANOGRAPHIC (PERR-Non-standard)   PERRY J H,  PERSON A,  MISIASZEK S M,  ALESSI D P;  US5166584-A   NISSAN MOTOR CO LTD (NSMO)   FUKINO M,  IRIE N,  HORIE H,  ORIGUCHI M;  US5187024-A   MITSUBISHI ELECTRIC CORP (MITQ)   MATSUMURA M;  US5193635-A   YAMAHA HATSUDOKI KK (YMHA)   MIZUNO Y,  HANAJIMA T,  MATSUBARA H;  US5200278-A   BALLARD POWER SYSTEMS INC (BLRD)   WATKINS D S,  DIRCKS K W,  EPPS D G,  GORBELL B N,  MERRITT R D;  US5228529-A   ROSNER S (ROSN-Individual)   ROSNER S;  US5316870-A   FUJI ELECTRIC CO LTD (FJIE)   OHGA S;  US5322744-A   FUJI ELECTRIC CO LTD (FJIE)   KOSEKI K;  US5346778-A   ENERGY PARTNERS INC (ENER-Non-standard)   EWAN J M,  MISIASZEK S M,  ALESSI D P;  US5360679-A   BALLARD POWER SYSTEMS INC (BLRD)   LOUIE C,  WATKINS D S,  COHEN R,  BUSWELL R F,  CLAUSI J V;  US5366821-A   BALLARD POWER SYSTEMS INC (BLRD)   MERRITT R D,  BLAIR J D;  US5409784-A   MASSACHUSETTS INST TECHNOLOGY (MASI)   BROMBERG L,  COHN D R,  RABINOVICH A;  US5490572-A   HONDA GIKEN KOGYO KK (HOND)   SAKUMA C,  YURI N,  ISHIKAWA M,  TAJIRI A,  HOTTA Y;  US5500292-A   HITACHI LTD (HITA)   MURANAKA Y,  IMAHASHI J,  HORIBA T,  NISHIMURA S;  US5503944-A   INT FUEL CELLS CORP (ITFU)   MARGIOTT P R,  MEYER A P,  SCHEFFLER G W;  US5531285-A   TECHNOLOGY PARTNERSHIP LTD (TECH-Non-standard)   GREEN R M;  US5537956-A   DAIMLER-BENZ AG (DAIM)   RENNFELD A,  LENZHALDE J F,  NOREIKAT K;  US5605770-A   FINMECCANICA AZIENDA ANSALDO SPA (FINM)   ANDREOLI G L,  FEDERICI F;  US5624003-A   TOYOTA JIDOSHA KK (TOYT)   MATSUKI T,  MATSUNO T;  US5678760-A   HITACHI LTD (HITA);  HITACHI AUTOMOTIVE ENG CO LTD (HISA)   MUSO M,  ODA K,  KOIZUMI O,  HAMANO H;  WO1994010716-A1