Kenichi Harashina

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Okaya-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Valve guide made of iron-based sintered alloy and method of produci...
- Patent number 11,951,547
- Issue date Apr 9, 2024
- TPR CO., LTD.
- Yoshio Bando
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
IRON-BASED SINTERED ALLOY VALVE GUIDE AND METHOD FOR MANUFACTURING...
- Publication number 20200165945
- Publication date May 28, 2020
- TPR CO., LTD.
- Yoshio BANDO
- B22 - CASTING POWDER METALLURGY
Information Patent Application
COOLING SYSTEM FOR PISTON OF INTERNAL COMBUSTION ENGINE
- Publication number 20130139767
- Publication date Jun 6, 2013
- Toyota Jidosha Kabushiki Kaisha
- Takashi Koyama
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS