Katsuhiko Nishida

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Photodiode having heterojunction
- Patent number 4,783,689
- Issue date Nov 8, 1988
- NEC Corporation
- Katsuhiko Nishida
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser
- Patent number 4,434,491
- Issue date Feb 28, 1984
- Nippon Electric Co., Ltd.
- Isamu Sakuma
- H01 - BASIC ELECTRIC ELEMENTS