Toshiki Kajiyama

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Katsuta, JP

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Patents Grantslast 30 patents

Information Patent Grant
Elevator control system
- Patent number 4,958,707
- Issue date Sep 25, 1990
- Hitachi, Ltd.
- Kenzi Yoneda
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Signal transmission method and system in elevator equipment
- Patent number 4,872,532
- Issue date Oct 10, 1989
- Hitachi, Ltd.
- Toshimitsu Tobita
- B66 - HOISTING LIFTING HAULING