Takeshi Iryo

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Kashiwa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Gas circuit breaker
- Patent number 6,624,370
- Issue date Sep 23, 2003
- Hitachi, Ltd.
- Takuichiro Soga
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Gas-insulated circuit breaker and gas-insulated switch-gear having...
- Patent number 6,407,908
- Issue date Jun 18, 2002
- Hitachi, Ltd.
- Takeshi Iryo
- H01 - BASIC ELECTRIC ELEMENTS