Masayuki Koishi

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Patents Grantslast 30 patents

Information Patent Grant
Catalyst for purifying exhaust gas
- Patent number 5,849,660
- Issue date Dec 15, 1998
- Mazda Motor Corporation
- Takashi Takemoto
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Catalyst for exhaust gas purification
- Patent number 5,494,878
- Issue date Feb 27, 1996
- Mazda Motor Corporation
- Hiroshi Murakami
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Catalyst for purifying exhaust gas and method of manufacturing the...
- Patent number 5,019,546
- Issue date May 28, 1991
- Mazda Motor Corporation
- Hiroshi Murakami
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES