Nissin Unyu Kogyo Co., Ltd.

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Shimonoseki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for polishing inner an internal surface of an...
- Patent number 6,994,610
- Issue date Feb 7, 2006
- Nissin Unyu Kogyo Co., Ltd.
- Tadashi Aiura
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method for manufacturing mirror surface tube for photosensitive dru...
- Patent number 6,783,439
- Issue date Aug 31, 2004
- Nissin Unyu Kogyo Co., Ltd.
- Kazuo Akagi
- B24 - GRINDING POLISHING
Information Patent Grant
Method for mirror process of external surface of long sized metal
- Patent number 6,322,426
- Issue date Nov 27, 2001
- Nissin Unyu Kogyo Co., Ltd.
- Kazuo Akagi
- B24 - GRINDING POLISHING
Information Patent Grant
Electrolytic integrated polishing method for metal workpieces using...
- Patent number 6,322,424
- Issue date Nov 27, 2001
- Nissin Unyu Kogyo Co., Ltd.
- Kazuo Akagi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electrolytic integrated polishing method for external surface of me...
- Patent number 6,156,187
- Issue date Dec 5, 2000
- Nissin Unyu Kogyo Co., Ltd.
- Kazuo Akagi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Method and apparatus for polishing an internal surface of an alumin...
- Publication number 20060065518
- Publication date Mar 30, 2006
- NISSIN UNYU KOGYO CO., LTD.
- Tadashi Aiura
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Trademarklast 30 trademarks