Yoko Wakui

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Ibaraki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor device and fabrication method thereof
- Patent number 4,651,191
- Issue date Mar 17, 1987
- Hitachi, Ltd.
- Michio Ooue
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device having ribbon electrode structure and method f...
- Patent number 4,516,149
- Issue date May 7, 1985
- Hitachi, Ltd.
- Yoko Wakui
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of manufacturing semiconductor device having aluminum diffus...
- Patent number 4,351,677
- Issue date Sep 28, 1982
- Hitachi, Ltd.
- Yasuhiro Mochizuki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of fabricating a semiconductor device
- Patent number 4,219,373
- Issue date Aug 26, 1980
- Hitachi, Ltd.
- Yasuhiro Mochizuki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Chemical vapor deposition methods of depositing zinc boro-silicated...
- Patent number 4,105,810
- Issue date Aug 8, 1978
- Hitachi, Ltd.
- Takeo Yamazaki
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...