Keiichi Ozuka

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Fukuoka-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Tungsten cathode material
- Patent number 8,758,652
- Issue date Jun 24, 2014
- Nippon Tungsten Co., Ltd.
- Akira Matsuo
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
TUNGSTEN CATHODE MATERIAL
- Publication number 20120091922
- Publication date Apr 19, 2012
- NIPPON TUNGSTEN CO., LTD.
- Akira Matsuo
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR