Roy Lang

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Tokyo, JA

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Patents Grantslast 30 patents

Information Patent Grant
Light self-injecting semiconductor laser device
- Patent number 4,079,339
- Issue date Mar 14, 1978
- Nippon Electric Company, Ltd.
- Kohroh Kobayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser device
- Patent number 3,999,146
- Issue date Dec 21, 1976
- Nippon Electric Company, Ltd.
- Roy Lang
- H01 - BASIC ELECTRIC ELEMENTS