Ryoichi YOSHINO

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Ninomiya-machi Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing engine poppet valve
- Patent number 11,850,690
- Issue date Dec 26, 2023
- NITTAN Corporation
- Ryoichi Yoshino
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Method for Manufacturing Engine Poppet Valve
- Publication number 20230017343
- Publication date Jan 19, 2023
- NITTAN Corporation
- Ryoichi YOSHINO
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR