Isao Kojima

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Hitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor device with double moat and double channel stoppers
- Patent number 4,298,881
- Issue date Nov 3, 1981
- Hitachi, Ltd.
- Shuroku Sakurada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor controlled rectifier with configured cathode to elimi...
- Patent number 4,210,924
- Issue date Jul 1, 1980
- Hitachi, Ltd.
- Katsumi Akabane
- H01 - BASIC ELECTRIC ELEMENTS