Itsuo Shimizu

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Katsuta, JP

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Patents Grantslast 30 patents

Information Patent Grant
Non-interference control method and device
- Patent number 5,375,448
- Issue date Dec 27, 1994
- Hitachi, Ltd.
- Yasunori Katayama
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Motor speed control method and apparatus with drooping compensation...
- Patent number 5,256,944
- Issue date Oct 26, 1993
- Hitachi, Ltd.
- Masahiro Tobise
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...