US2006046112-A1 -- US3615164-A   CONSOLIDATED NATURAL GAS (CON-Non-standard);  US4284531-A   UNION OIL CO CALIFORNIA (UNOC)   SIMPSON H D,  GOWDY H W,  LIGHT S D;  US20040062961-A1   ;  US20040247960-A1   ;  US20050022450-A1   ;  US20050096211-A1   ;  US20050096212-A1   ;  US6183895-B1   MATSUSHITA ELECTRIC WORKS LTD (MATW)   KUDO H,  YAMAGA N,  SHINAGAWA M,  ADACHI J,  TOKUNAGA Y,  NAKAMURA T,  HASHIMOTO N,  MIZOBUCHI M,  KINUGAWA K;  US6207307-B1   JOHNSON MATTHEY PLC (JOHO)   VAN KEULEN A N J;  US6403049-B1   JOHNSON MATTHEY PLC (JOHO)   VAN KEULEN A N J,  REINKINGH J G;  US6475655-B1   DAIHATSU MOTOR CO LTD (DAHM)   NAKANISHI H,  TANAKA H,  YAMADA K,  ABE M,  ASAZAWA K;  US6605559-B1   DAIHATSU MOTOR CO LTD (DAHM)   YAMADA K,  ASAZAWA K;  US6913738-B1   OSAKA GAS CO LTD (OSAG)   ECHIGO M,  SUZUKI M,  OKADA O;  US7615295-B2 -- JP2001096160-A   DAIHATSU MOTOR CO LTD (DAHM)   YAMADA K,  ASAZAWA K;  JP2002068707-A   IDEMITSU KOSAN CO LTD (IDEK)   NAKAI S,  OSAWA M;  US3615164-A   CONSOLIDATED NATURAL GAS (CON-Non-standard);  US4284531-A   UNION OIL CO CALIFORNIA (UNOC)   SIMPSON H D,  GOWDY H W,  LIGHT S D;  US20040062961-A1   ;  US20040247960-A1   ;  US20050022450-A1   ;  US20050096211-A1   ;  US20050096212-A1   ;  US20060046112-A1   ;  US6183895-B1   MATSUSHITA ELECTRIC WORKS LTD (MATW)   KUDO H,  YAMAGA N,  SHINAGAWA M,  ADACHI J,  TOKUNAGA Y,  NAKAMURA T,  HASHIMOTO N,  MIZOBUCHI M,  KINUGAWA K;  US6207307-B1   JOHNSON MATTHEY PLC (JOHO)   VAN KEULEN A N J;  US6403049-B1   JOHNSON MATTHEY PLC (JOHO)   VAN KEULEN A N J,  REINKINGH J G;  US6475655-B1   DAIHATSU MOTOR CO LTD (DAHM)   NAKANISHI H,  TANAKA H,  YAMADA K,  ABE M,  ASAZAWA K;  US6605559-B1   DAIHATSU MOTOR CO LTD (DAHM)   YAMADA K,  ASAZAWA K;  US6913738-B1   OSAKA GAS CO LTD (OSAG)   ECHIGO M,  SUZUKI M,  OKADA O;  JP4864385-B2 -- JP03263492-A   ;  JP08196907-A   ;  JP61186203-A   ;  JP2000351608-A   MATSUSHITA ELECTRIC IND CO LTD (MATU)   TAGUCHI K,  TOMIZAWA T,  UKAI K,  MAENISHI A,  SHONO T,  KITAGAWA K;  JP2002326803-A   MATSUSHITA ELECTRIC IND CO LTD (MATU)   TAGUCHI K,  UKAI K,  FUJIWARA S,  TOMIZAWA T,  WAKITA H;  JP2003212512-A   OSAKA GAS CO LTD (OSAG)   ECHIGO M,  TABATA T,  YAMAZAKI O;  JP2003277013-A   ;  JP2007520333-A   TAKEDA H (TAKE-Individual);  WALSH T L (WALS-Individual);  WAGNER J P (WAGN-Individual)   TAKEDA H,  WALSH T L,  WAGNER J P