Hiroaki Shimada

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Sapporo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Twist roller guide device for rolling mill use
- Patent number 4,270,376
- Issue date Jun 2, 1981
- Kotobuki Sangyo Kabushiki Kaisha
- Hiroaki Shimada
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Mechanism for automatically centering sub-guide rollers and for adj...
- Patent number 4,212,181
- Issue date Jul 15, 1980
- Kotobuki Sangyo Kabushiki Kaisha
- Hiroaki Shimada
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Stock restraining effect adjusting mechanism of a stock guide for u...
- Patent number 4,211,095
- Issue date Jul 8, 1980
- Kotobuki Sangyo Kabushiki Kaisha
- Hiroaki Shimada
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...