Chukichi Hanzawa

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Takahagi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Hot strip rolling plant and method directly combined with continuou...
- Patent number 5,634,257
- Issue date Jun 3, 1997
- Hitachi, Ltd.
- Toshiyuki Kajiwara
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Thin slab continuous casting machine and method
- Patent number 5,630,467
- Issue date May 20, 1997
- Hitachi, Ltd.
- Yasutsugu Yoshimura
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...