Akiyoshi Watanabe

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Koganei, JP

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Patents Grantslast 30 patents

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Electron gas hole gas tunneling transistor device
- Patent number 4,835,581
- Issue date May 30, 1989
- Hitachi, Ltd.
- Takao Kuroda
- H01 - BASIC ELECTRIC ELEMENTS
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Semiconductor device
- Patent number 4,819,036
- Issue date Apr 4, 1989
- Hitachi, Ltd.
- Takao Kuroda
- B82 - NANO-TECHNOLOGY
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Semiconductor device and method of manufacturing the same
- Patent number 4,814,838
- Issue date Mar 21, 1989
- Hitachi, Ltd.
- Takao Kuroda
- H01 - BASIC ELECTRIC ELEMENTS