Takeo Ohnishi

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Chiba, JP

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Patents Grantslast 30 patents

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...
Information Patent Grant
Steel sheets for drawing and ironing worked cans
- Patent number 4,783,378
- Issue date Nov 8, 1988
- Kawasaki Steel Corporation
- Tsuneyoshi Wakui
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Steel strip continuous annealing apparatus
- Patent number 4,363,471
- Issue date Dec 14, 1982
- Kawasaki Steel Corporation
- Fumiya Yanagishima
- C21 - METALLURGY OF IRON
Information Patent Grant
Steel strip continuous annealing apparatus
- Patent number 4,363,472
- Issue date Dec 14, 1982
- Kawasaki Steel Corporation
- Yuji Shimoyama
- C21 - METALLURGY OF IRON