Tomoyuki Tanaka

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Hitachi, JA

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor switching device
- Patent number 4,089,024
- Issue date May 9, 1978
- Hitachi, Ltd.
- Tomoyuki Tanaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device having high blocking voltage with peripheral c...
- Patent number 4,040,084
- Issue date Aug 2, 1977
- Hitachi, Ltd.
- Tomoyuki Tanaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor controlled rectifier
- Patent number 3,967,308
- Issue date Jun 29, 1976
- Hitachi, Ltd.
- Tsutomu Yatsuo
- H01 - BASIC ELECTRIC ELEMENTS