Chikara OIWA

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Okegawa-shi, Saitama, JP

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Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR FORMING A PIN BORE
- Publication number 20180100464
- Publication date Apr 12, 2018
- MAHLE ENGINE COMPONENTS JAPAN CORPORATION
- Chikara OIWA
- C21 - METALLURGY OF IRON
Information Patent Application
PISTON FOR INTERNAL COMBUSTION ENGINE AND METHOD FOR WORKING PIN BORE
- Publication number 20160115898
- Publication date Apr 28, 2016
- FUJI MANUFACTURING CO., LTD
- Chikara OIWA
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS