Naoyuki Koyama

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Hiroshima, JP

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Patents Grantslast 30 patents

Information Patent Grant
Intake system for internal combustion engine
- Patent number 4,756,284
- Issue date Jul 12, 1988
- Mazda Motor Corporation
- Haruo Okimoto
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS