Ryujiro Shitamatsu

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Shimonoseki, JP

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Patents Grantslast 30 patents

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 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...