Atsuji Watanabe

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Hitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Hydraulic pressure actuating apparatus for circuit breaker
- Patent number 6,815,629
- Issue date Nov 9, 2004
- Hitachi, Ltd.
- Shinji Seto
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Grounding switch gear device
- Patent number 5,543,597
- Issue date Aug 6, 1996
- Hitachi, Ltd.
- Atsuji Watanabe
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Hydraulic pressure actuating apparatus for circuit breaker
- Publication number 20030213774
- Publication date Nov 20, 2003
- Hitachi, Ltd.
- Shinji Seto
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL