Tsuneo Katsuyama

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Urayasu-city, JP

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Patents Grantslast 30 patents

Information Patent Grant
Soft polishing disc with holes and method of manufacturing the same
- Patent number 6,428,406
- Issue date Aug 6, 2002
- Kantoseito Co., Ltd.
- Tsuneo Katsuyama
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
Soft polishing disc with holes and method of manufacturing the same
- Publication number 20020037694
- Publication date Mar 28, 2002
- Tsuneo Katsuyama
- B24 - GRINDING POLISHING