Yoshio Yamamoto

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Kawasaki-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
High-frequency amplifying semiconductor device
- Patent number 5,021,859
- Issue date Jun 4, 1991
- Kabushiki Kaisha Toshiba
- Takahiro Ito
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of producing a semiconductor device provided with front and...
- Patent number 4,914,054
- Issue date Apr 3, 1990
- Kabushiki Kaisha Toshiba
- Shigeru Moriyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of manufacturing an soi-type semiconductor device
- Patent number 4,888,304
- Issue date Dec 19, 1989
- Kabushiki Kaisha Toshiba
- Kaoru Nakagawa
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Semiconductor laser, method for fabricating thereof, and method for...
- Publication number 20020064196
- Publication date May 30, 2002
- Kabushiki Kaisha Toshiba
- Hideo Shiozawa
- H01 - BASIC ELECTRIC ELEMENTS