Hisanao Maruyama

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Fujisawa-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Welded portion constitution and welding method
- Patent number 7,374,823
- Issue date May 20, 2008
- Press Kogyo Co., Ltd.
- Hisanao Maruyama
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Welded portion constitution and welding method
- Publication number 20040169062
- Publication date Sep 2, 2004
- Press Kogyo Co. , Ltd.
- Hisanao Maruyama
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR