Seiji Niinuma

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Gunma, JP

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Patents Grantslast 30 patents

Information Patent Grant
Helical intake port for an internal combustion engine
- Patent number 6,003,485
- Issue date Dec 21, 1999
- Nissan Motor Co., Ltd.
- Junichi Kawashima
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS