Eisaburo Sakou

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Hitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of monitoring changes of state of a power transmission syste...
- Patent number 5,061,922
- Issue date Oct 29, 1991
- Hitachi, Ltd.
- Kazuo Nishijima
- G08 - SIGNALLING
Information Patent Grant
Remote monitor control system
- Patent number 4,806,929
- Issue date Feb 21, 1989
- Hitachi, Ltd.
- Kazuo Nishijima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE