Yohtaro Yatsuzuka

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Adaptive phase lock loop system
- Patent number 5,128,625
- Issue date Jul 7, 1992
- Kokusai Denshin Denwa Co., Ltd.
- Yohtaro Yatsuzuka
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Remote control system of an optical repeater
- Patent number 4,369,523
- Issue date Jan 18, 1983
- Kokusai Denshin Denwa Co., Ltd.
- Norio Seki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Light source arrangement in an optical communication system
- Patent number 4,341,438
- Issue date Jul 27, 1982
- Kokusai Denshin Denwa Co., Ltd.
- Norio Seki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital speech interpolation system
- Patent number 4,303,803
- Issue date Dec 1, 1981
- Kokusai Denshin Denwa Co., Ltd.
- Yohtaro Yatsuzuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Light source system in an optical transmission repeater
- Patent number 4,281,416
- Issue date Jul 28, 1981
- Kokusai Denshin Denwa Co., Ltd.
- Norio Seki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE