Yoichi Nakashima

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Hitachi, JP

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Patents Grantslast 30 patents

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Semiconductor rectifying device and full-wave rectifier fabricated...
- Patent number 5,302,856
- Issue date Apr 12, 1994
- Hitachi, Ltd.
- Kazutoyo Narita
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
High speed diode
- Patent number 4,594,602
- Issue date Jun 10, 1986
- Hitachi, Ltd.
- Kenji Iimura
- H01 - BASIC ELECTRIC ELEMENTS
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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
Thyristor device
- Patent number 4,236,169
- Issue date Nov 25, 1980
- Hitachi, Ltd.
- Yoichi Nakashima
- H01 - BASIC ELECTRIC ELEMENTS