Yasuo Yoshikawa

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Yokosuka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Variable valve timing mechanism
- Patent number 4,539,951
- Issue date Sep 10, 1985
- Nissan Motor Co., Ltd.
- Seinosuke Hara
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES