Hiroyuki Nakamichi

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Hitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Gas leak detection device and gas leak detection method
- Patent number 10,190,935
- Issue date Jan 29, 2019
- Hitachi, Ltd.
- Hisao Inami
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Gas circuit breaker
- Patent number 10,049,839
- Issue date Aug 14, 2018
- Hitachi, Ltd.
- Hideaki Uchiyama
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Optical current transformer for gas-insulated apparatus
- Patent number 9,116,176
- Issue date Aug 25, 2015
- Hitachi, Ltd.
- Wei Zhang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
GAS CIRCUIT BREAKER
- Publication number 20170263398
- Publication date Sep 14, 2017
- Hitachi, Ltd
- Hideaki UCHIYAMA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Gas Leak Detection Device and Gas Leak Detection Method
- Publication number 20170030799
- Publication date Feb 2, 2017
- Hitachi, Ltd
- Hisao INAMI
- G01 - MEASURING TESTING
Information Patent Application
OPTICAL CURRENT TRANSFORMER FOR GAS-INSULATED APPARATUS
- Publication number 20130093409
- Publication date Apr 18, 2013
- Hitachi, Ltd
- Wei Zhang
- G01 - MEASURING TESTING