Hideki Hayakawa

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Nakajo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Load information display device and circuit breaker
- Patent number 7,171,317
- Issue date Jan 30, 2007
- Hitachi Industrial Equipment Systems Co., Ltd.
- Kazuya Aihara
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Load information display device and circuit breaker
- Publication number 20060085148
- Publication date Apr 20, 2006
- Kazuya Aihara
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Leakage monitoring system
- Publication number 20050225909
- Publication date Oct 13, 2005
- Hitachi Industrial Equipment Co., Ltd.
- Akio Yoshizaki
- H01 - BASIC ELECTRIC ELEMENTS