Yoshitami Oka

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Kawasaki, JP

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Patents Grantslast 30 patents

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Method of manufacturing a semiconductor device
- Patent number 4,560,642
- Issue date Dec 24, 1985
- Toyko Shibaura Electric Co., Ltd.
- Toshio Yonezawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of manufacturing a semiconductor device using silicon carbid...
- Patent number 4,351,894
- Issue date Sep 28, 1982
- Tokyo Shibaura Electric Co., Ltd.
- Toshio Yonezawa
- H01 - BASIC ELECTRIC ELEMENTS