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Kazuo Akagi
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Shimonoseki, JP
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Patents Grants
last 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
Information
Patent Grant
Cutting and chamfering apparatus for opposing ends of tubular material
Patent number
4,425,062
Issue date
Jan 10, 1984
Kabushiki Kaisha Kobe Seiko Sho
Teruaki Kawamura
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Apparatus for polishing interior surfaces of pipes or the like
Patent number
4,417,421
Issue date
Nov 29, 1983
Kabushiki Kaisha Kobe Seiko Sho
Kazuo Akagi
B24 - GRINDING POLISHING
Information
Patent Grant
Apparatus for pickling the inner wall of tubular material
Patent number
4,398,552
Issue date
Aug 16, 1983
Kabushiki Kaisha Kobe Seiko Sho
Yoshiro Tanaka
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Cleaning apparatus of tubular materials for use in pickling facilit...
Patent number
4,397,328
Issue date
Aug 9, 1983
Kabushiki Kaisha Kobe Seiko Sho
Yoshiro Tanaka
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Apparatus for continuously pickling the outer surfaces of tubular m...
Patent number
4,392,267
Issue date
Jul 12, 1983
Kabushiki Kaisha Kobe Seiko Sho
Yoshiro Tanaka
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Apparatus for conveying tubular materials in pickling facilities of...
Patent number
4,392,506
Issue date
Jul 12, 1983
Kabushiki Kaisha Kobe Seiko Sho
Yoshiro Tanaka
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Process for use in etching the outer surface of a metal member
Patent number
4,233,108
Issue date
Nov 11, 1980
Kobe Steel, Limited
Masamitu Tamura
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Patents Applications
last 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