Atushi Ohsumi

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Fukuyama, JA

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Patents Grantslast 30 patents

Information Patent Grant
Method of cooling a steel material without deformation
- Patent number 4,033,737
- Issue date Jul 5, 1977
- Nippon Kokan Kabushiki Kaisha
- Kazuo Kunioka
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Multi-sectioned cooling method for heated steel material
- Patent number 4,011,112
- Issue date Mar 8, 1977
- Nippon Kokan Kabushiki Kaisha
- Koji Sakasegawa
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...