WO2007119134-A1 -- US20040126644-A1   ;  US20040166400-A1   ;  US6936370-B1   BALLARD POWER SYSTEMS INC (BLRD);  JOHNSON MATTHEY PLC (JOHO)   KNIGHTS S D,  WILKINSON D P,  CAMPBELL S A,  TAYLOR J L,  GASCOYNE J M,  RALPH T R;  WO2003032418-A2   CISAR A (CISA-Individual);  MURPHY O (MURP-Individual);  CLARKE E (CLAR-Individual)   CISAR A,  MURPHY O,  CLARKE E;  US2009246587-A1 -- US4409129-A   HITACHI LTD (HITA);  TAKEUCHI S (TAKE-Individual)   TAKEUCHI S,  MATSUDA S;  US20040126644-A1   ;  US20040166400-A1   ;  US20050227855-A1   ;  US6936370-B1   BALLARD POWER SYSTEMS INC (BLRD);  JOHNSON MATTHEY PLC (JOHO)   KNIGHTS S D,  WILKINSON D P,  CAMPBELL S A,  TAYLOR J L,  GASCOYNE J M,  RALPH T R;  US7790125-B2 -- JP2003508877-A   BALLARD POWER SYSTEMS INC (BLRD);  JOHNSON MATTHEY PLC (JOHO)   KNIGHTS S D,  WILKINSON D P,  CAMPBELL S A,  TAYLOR J L,  GASCOYNE J M,  RALPH T R;  JP2004022503-A   TANAKA KIKINZOKU KOGYO KK (TANI);  HONDA MOTOR CO LTD (HOND)   TADA T,  INOUE M;  JP2005135671-A   ;  JP2005141966-A   ;  JP2005149742-A   NISSAN MOTOR CO LTD (NSMO)   ONO M;  JP2005294264-A   CAMPBELL S A (CAMP-Individual);  LAURITZEN M V (LAUR-Individual);  HE P (HEPP-Individual);  BEATTIE P D (BEAT-Individual);  YE S (YESS-Individual)   CAMPBELL S A,  LAURITZEN M V,  HE P,  BEATTIE P D,  YE S;  US4409129-A   HITACHI LTD (HITA);  TAKEUCHI S (TAKE-Individual)   TAKEUCHI S,  MATSUDA S;  US20040126644-A1   ;  US20040166400-A1   ;  US20050227855-A1   ;  US6936370-B1   BALLARD POWER SYSTEMS INC (BLRD);  JOHNSON MATTHEY PLC (JOHO)   KNIGHTS S D,  WILKINSON D P,  CAMPBELL S A,  TAYLOR J L,  GASCOYNE J M,  RALPH T R;  WO2003032418-A2   CISAR A (CISA-Individual);  MURPHY O (MURP-Individual);  CLARKE E (CLAR-Individual)   CISAR A,  MURPHY O,  CLARKE E;  CN101421869-B -- US20040126644-A1   ;  US6936370-B1   BALLARD POWER SYSTEMS INC (BLRD);  JOHNSON MATTHEY PLC (JOHO)   KNIGHTS S D,  WILKINSON D P,  CAMPBELL S A,  TAYLOR J L,  GASCOYNE J M,  RALPH T R;  EP2008326-B1 -- US20040126644-A1   ;  US20040166400-A1   ;  US6936370-B1   BALLARD POWER SYSTEMS INC (BLRD);  JOHNSON MATTHEY PLC (JOHO)   KNIGHTS S D,  WILKINSON D P,  CAMPBELL S A,  TAYLOR J L,  GASCOYNE J M,  RALPH T R;  WO2003032418-A3   CISAR A (CISA-Individual);  MURPHY O (MURP-Individual);  CLARKE E (CLAR-Individual)   CISAR A,  MURPHY O,  CLARKE E