Kiyoji Ikeda

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Hachioji, JP

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Patents Grantslast 30 patents

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Semiconductor bipolar transistor with concentric regions
- Patent number 5,237,200
- Issue date Aug 17, 1993
- Hitachi, Ltd.
- Mitsuo Nanba
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device with optimal distance between emitter and tren...
- Patent number 5,109,263
- Issue date Apr 28, 1992
- Hitachi, Ltd.
- Mitsuo Nanba
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor integrated circuit with dummy pedestals
- Patent number 4,949,162
- Issue date Aug 14, 1990
- Hitachi, Ltd.
- Yoichi Tamaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device
- Patent number 4,926,235
- Issue date May 15, 1990
- Yoichi Tamaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device
- Patent number 4,829,361
- Issue date May 9, 1989
- Hitachi, Ltd.
- Kazuhiko Sagara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Plasma-etching apparatus
- Patent number 4,243,506
- Issue date Jan 6, 1981
- Hitachi, Ltd.
- Kiyoji Ikeda
- H01 - BASIC ELECTRIC ELEMENTS