Yasunobu Kosa

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Kodaira, JA

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Patents Grantslast 30 patents

Information Patent Grant
Method for fabrication of n-channel MIS device
- Patent number 4,079,504
- Issue date Mar 21, 1978
- Hitachi, Ltd.
- Yasunobu Kosa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device having insulator film with different prescribe...
- Patent number 4,012,763
- Issue date Mar 15, 1977
- Hitachi, Ltd.
- Eiichi Yamada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
MOSFET antiparasitic layer
- Patent number 4,011,581
- Issue date Mar 8, 1977
- Hitachi, Ltd.
- Masaharu Kubo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Multi-emitter transistor having heavily doped N+ regions surroundin...
- Patent number 3,946,425
- Issue date Mar 23, 1976
- Hitachi, Ltd.
- Senji Shoji
- H01 - BASIC ELECTRIC ELEMENTS