Sadao Okano

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Hitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing semiconductor device
- Patent number 4,341,011
- Issue date Jul 27, 1982
- Hitachi, Ltd.
- Sadao Okano
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of selectively diffusing aluminium into a silicon semiconduc...
- Patent number 4,290,830
- Issue date Sep 22, 1981
- Hitachi, Ltd.
- Yasuhiro Mochizuki
- C30 - CRYSTAL GROWTH
Information Patent Grant
Semiconductor device
- Patent number 4,262,295
- Issue date Apr 14, 1981
- Hitachi, Ltd.
- Sadao Okano
- H01 - BASIC ELECTRIC ELEMENTS