Yoshitaka Kumai

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Diesel exhaust gas purifying filter
- Patent number 7,384,612
- Issue date Jun 10, 2008
- Kabushiki Kaisha Chemical Auto
- Yasuo Ajisaka
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

Information Patent Application
Diesel exhaust gas purifying filter
- Publication number 20050147541
- Publication date Jul 7, 2005
- Yasuo Ajisaka
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES