Isamu Sanpei

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Kitaibaraki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Turn off type semiconductor device, method of producing the same an...
- Patent number 5,324,967
- Issue date Jun 28, 1994
- Hitachi, Ltd.
- Hideo Honma
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Gate turn-off thyristor
- Patent number 4,825,270
- Issue date Apr 25, 1989
- Hitachi, Ltd.
- Yukimasa Satou
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Gate turn-off thyristor with selective anode penetrating shorts
- Patent number 4,450,467
- Issue date May 22, 1984
- Hitachi, Ltd.
- Takahiro Nagano
- H01 - BASIC ELECTRIC ELEMENTS