WO2008101875-A1 -- DE3737419-A   TOYOTA JIDOSHA KK (TOYT);  TOYOTA CHUO KENKYUSHO KK (TOYW)   MATSUMOTO S,  MIYOSHI N,  KIMURA M,  OZAWA M,  ISOGAI A;  EP1712278-A1   TANAKA KIKINZOKU KOGYO KK (TANI)   KIKUHARA S,  YAMASHITA T,  KUBO H,  ITAYA K,  SASAKI M;  US20020115563-A1   ;  US20040175310-A1   ;  WO2007043442-A1   MITSUI MINING & SMELTING CO (MITG)   ABE A,  ANNO Y;  US2010093525-A1 -- EP1020216-A1   TOYOTA CHUO KENKYUSHO KK (TOYW)   SUZUKI T,  MORIKAWA A,  SOBUKAWA H;  JP2005224792-A   MAZDA KK (MAZD)   AKAMINE M,  SHIGETSU M;  US3615164-A   CONSOLIDATED NATURAL GAS (CON-Non-standard);  US3663162-A   INST GAS TECHNOLOGY (IGTE);  US4927799-A   TOYOTA JIDOSHA KK (TOYT);  TOYOTA CHUO KENKYUSHO KK (TOYW)   MATSUMOTO S,  MIYOSHI N,  KIMURA M,  OZAWA M,  ISOGAI A;  US5064803-A   ALLIED-SIGNAL INC (ALLC)   NUNAN J G;  US6150288-A   TOYOTA CHUO KENKYUSHO KK (TOYW)   SUZUKI T,  SOBUKAWA H;  US20020115563-A1   ;  US20040175310-A1   ;  US20050096211-A1   ;  US20050096212-A1   ;  US20050277544-A1   ;  US20060178261-A1   ;  US20060272213-A1   ;  US6387338-B1   DELPHI TECHNOLOGIES INC (DELP)   ANATOLY B I,  NUNAN J G;  US7456128-B2   VALORBEC SC (VALO-Non-standard)   LE VAN MAO R;  US7939041-B2   MAGNESIUM ELEKTRON LTD (MAGH)   DARAB J G;  WO2004085806-A2   RHODIA ELECTRONIC & CATALYSIS INC (RHOD)   LARCHER O,  ROHART E;  EP2125201-B1 -- DE3737419-A   TOYOTA JIDOSHA KK (TOYT);  TOYOTA CHUO KENKYUSHO KK (TOYW)   MATSUMOTO S,  MIYOSHI N,  KIMURA M,  OZAWA M,  ISOGAI A;  EP1712278-A1   TANAKA KIKINZOKU KOGYO KK (TANI)   KIKUHARA S,  YAMASHITA T,  KUBO H,  ITAYA K,  SASAKI M;  US20020115563-A1   ;  US20040175310-A1   ;  WO2007043442-A1   MITSUI MINING & SMELTING CO (MITG)   ABE A,  ANNO Y;  US2012108683-A1 -- US3511624-A   GAS COUNCIL (GASC);  US3615164-A   CONSOLIDATED NATURAL GAS (CON-Non-standard);  US3663162-A   INST GAS TECHNOLOGY (IGTE);  US6207307-B1   JOHNSON MATTHEY PLC (JOHO)   VAN KEULEN A N J;  WO2004085806-A2   RHODIA ELECTRONIC & CATALYSIS INC (RHOD)   LARCHER O,  ROHART E;  US8395009-B2 -- DE3737419-A   TOYOTA JIDOSHA KK (TOYT);  TOYOTA CHUO KENKYUSHO KK (TOYW)   MATSUMOTO S,  MIYOSHI N,  KIMURA M,  OZAWA M,  ISOGAI A;  EP946406-A1   JOHNSON MATTHEY PLC (JOHO)   VAN KEULEN A N J;  EP1174486-A1   OSAKA GAS CO LTD (OSAG)   ECHIGO M,  SUZUKI M,  OKADA O;  EP1246286-A1   OMG & CO AG KG (OMGO-Non-standard)   BAUMANN F,  WIELAND S,  BRITZ P,  HEIKRODT K;  EP1707261-A1   NE CHEMCAT CORP (NECH-Non-standard)   YOSHIMURA M;  EP1712278-A1   TANAKA KIKINZOKU KOGYO KK (TANI)   KIKUHARA S,  YAMASHITA T,  KUBO H,  ITAYA K,  SASAKI M;  JP2002068707-A   IDEMITSU KOSAN CO LTD (IDEK)   NAKAI S,  OSAWA M;  US3511624-A   GAS COUNCIL (GASC);  US3615164-A   CONSOLIDATED NATURAL GAS (CON-Non-standard);  US3663162-A   INST GAS TECHNOLOGY (IGTE);  US4927799-A   TOYOTA JIDOSHA KK (TOYT);  TOYOTA CHUO KENKYUSHO KK (TOYW)   MATSUMOTO S,  MIYOSHI N,  KIMURA M,  OZAWA M,  ISOGAI A;  US5064803-A   ALLIED-SIGNAL INC (ALLC)   NUNAN J G;  US20020115563-A1   ;  US20040175310-A1   ;  US20050096211-A1   ;  US20050096212-A1   ;  US20060272213-A1   ;  US6207307-B1   JOHNSON MATTHEY PLC (JOHO)   VAN KEULEN A N J;  US6387338-B1   DELPHI TECHNOLOGIES INC (DELP)   ANATOLY B I,  NUNAN J G;  WO1997043207-A1   ;  WO2007043442-A1   MITSUI MINING & SMELTING CO (MITG)   ABE A,  ANNO Y;  WO2004085806-A3   RHODIA ELECTRONIC & CATALYSIS INC (RHOD)   LARCHER O,  ROHART E;  JP5372780-B2 -- JP91093602-A   ;  JP94316416-A   ;  JP97175822-A   ;  JP98029804-A   ;  JP2000254508-A   MITSUI ENG & SHIPBUILDING CO LTD (MITB);  HASHIMOTO K (HASH-Individual)   HASHIMOTO K,  HABASAKI H,  YAMAZAKI T,  KOMORI M,  KAWASHIMA A;  JP2000501061-A   RHONE-POULENC CHIM (RHON)   AUBERT M,  BIRCHEM T,  BLANCHARD G;  JP2002121008-A   ;  JP2006120626-A   ;  JP2012121008-A   ;  US8796169-B2 -- DE3737419-A   TOYOTA JIDOSHA KK (TOYT);  TOYOTA CHUO KENKYUSHO KK (TOYW)   MATSUMOTO S,  MIYOSHI N,  KIMURA M,  OZAWA M,  ISOGAI A;  EP946406-A1   JOHNSON MATTHEY PLC (JOHO)   VAN KEULEN A N J;  EP1020216-A1   TOYOTA CHUO KENKYUSHO KK (TOYW)   SUZUKI T,  MORIKAWA A,  SOBUKAWA H;  EP1174486-A1   OSAKA GAS CO LTD (OSAG)   ECHIGO M,  SUZUKI M,  OKADA O;  EP1246286-A1   OMG & CO AG KG (OMGO-Non-standard)   BAUMANN F,  WIELAND S,  BRITZ P,  HEIKRODT K;  EP1707261-A1   NE CHEMCAT CORP (NECH-Non-standard)   YOSHIMURA M;  EP1712278-A1   TANAKA KIKINZOKU KOGYO KK (TANI)   KIKUHARA S,  YAMASHITA T,  KUBO H,  ITAYA K,  SASAKI M;  JP2002068707-A   IDEMITSU KOSAN CO LTD (IDEK)   NAKAI S,  OSAWA M;  JP2005224792-A   MAZDA KK (MAZD)   AKAMINE M,  SHIGETSU M;  US3615164-A   CONSOLIDATED NATURAL GAS (CON-Non-standard);  US3663162-A   INST GAS TECHNOLOGY (IGTE);  US4927799-A   TOYOTA JIDOSHA KK (TOYT);  TOYOTA CHUO KENKYUSHO KK (TOYW)   MATSUMOTO S,  MIYOSHI N,  KIMURA M,  OZAWA M,  ISOGAI A;  US5064803-A   ALLIED-SIGNAL INC (ALLC)   NUNAN J G;  US6150288-A   TOYOTA CHUO KENKYUSHO KK (TOYW)   SUZUKI T,  SOBUKAWA H;  US20020115563-A1   ;  US20040175310-A1   ;  US20050096211-A1   ;  US20050096212-A1   ;  US20050277544-A1   ;  US20060178261-A1   ;  US20060272213-A1   ;  US6387338-B1   DELPHI TECHNOLOGIES INC (DELP)   ANATOLY B I,  NUNAN J G;  US7456128-B2   VALORBEC SC (VALO-Non-standard)   LE VAN MAO R;  US7939041-B2   MAGNESIUM ELEKTRON LTD (MAGH)   DARAB J G;  WO1997043207-A1   ;  WO2007043442-A1   MITSUI MINING & SMELTING CO (MITG)   ABE A,  ANNO Y;  WO2004085806-A3   RHODIA ELECTRONIC & CATALYSIS INC (RHOD)   LARCHER O,  ROHART E