Shigeharu Nakamura

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Yamaguchi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Cold working lubricant for metallic conduits
- Patent number 4,755,309
- Issue date Jul 5, 1988
- Nihon Kousakuyu Co., Ltd.
- Takeshi Kobori
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Method and apparatus for produced stepped tubes
- Patent number 4,534,199
- Issue date Aug 13, 1985
- Kabushiki Kaisha Kobe Seiko Sho
- Kazuhide Takaishi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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...