Tsuneo Ochiai

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Hitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Cross rolling mill, cross rolling method and cross rolling mill system
- Patent number 5,365,764
- Issue date Nov 22, 1994
- Hitachi, Ltd.
- Toshiyuki Kajiwara
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Rolling method making use of work roll shift rolling mill
- Patent number 4,864,836
- Issue date Sep 12, 1989
- Hitachi, Ltd.
- Tsuneo Ochiai
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...