Masanori Okayama

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Hatano, JA

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Patents Grantslast 30 patents

Information Patent Grant
Utilizing multiple polycrystalline silicon masks for diffusion and...
- Patent number 4,062,707
- Issue date Dec 13, 1977
- Sony Corporation
- Hidenobu Mochizuki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Thin film resistor
- Patent number 4,001,762
- Issue date Jan 4, 1977
- Sony Corporation
- Teruaki Aoki
- H01 - BASIC ELECTRIC ELEMENTS