Tetsuro Hakata

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Ako, JP

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Patents Grantslast 30 patents

Information Patent Grant
Gas insulated electromagnetic induction appliance
- Patent number 4,607,245
- Issue date Aug 19, 1986
- Mitsubishi Denki Kabushiki Kaisha
- Yutaka Kuroda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electromagnetic induction apparatus with cooling grooves
- Patent number 4,588,972
- Issue date May 13, 1986
- Harumoto; Yoshinobu
- Yoshinobu Harumoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Gas-insulated electrical apparatus
- Patent number 4,581,477
- Issue date Apr 8, 1986
- Harumoto; Yoshinobu
- Yoshinobu Harumoto
- H01 - BASIC ELECTRIC ELEMENTS