Eiichi Yamada

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Kodaira, JA

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Patents Grantslast 30 patents

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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
Semiconductor device having two annular electrodes
- Patent number 4,000,507
- Issue date Dec 28, 1976
- Hitachi, Ltd.
- Sumio Nishida
- H01 - BASIC ELECTRIC ELEMENTS