Koji Oyama

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Yokohama-shi, Kanagawa, JP

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Patents Applicationslast 30 patents

Information Patent Application
SEALING SURFACE PROCESSING MACHINE AND METHOD
- Publication number 20190084057
- Publication date Mar 21, 2019
- MITSUBISHI HITACHI POWER SYSTEMS, LTD.
- Daichi Sugitani
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Dual purpose fuel for gasoline driven automobile and fuel cell syst...
- Publication number 20030213728
- Publication date Nov 20, 2003
- Kenichirou Saitou
- B60 - VEHICLES IN GENERAL