Tadaaki Yasumi

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Bowing correction apparatus for temper rolling mill
- Patent number 5,724,845
- Issue date Mar 10, 1998
- Kawasaki Steel Corporation
- Tadaaki Yasumi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Patterned metal plate and production thereof
- Patent number 4,978,583
- Issue date Dec 18, 1990
- Kawasaki Steel Corporation
- Tsuneyoshi Wakui
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...