Toshio Mannaka

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Katsuta, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for controlling plate material hot rolling equipment
- Patent number 5,113,678
- Issue date May 19, 1992
- Hitachi, Ltd.
- Toshio Mannaka
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Roll eccentricity control system for a rolling apparatus
- Patent number 4,545,228
- Issue date Oct 8, 1985
- Hitachi, Ltd.
- Terushige Yamaguti
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...