Haruyoshi Uchiyama

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Light frequency control apparatus
- Patent number 5,581,389
- Issue date Dec 3, 1996
- Ando Electric Co., Ltd.
- Tekken Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for determining noise factor of optical amplifier
- Patent number 5,561,551
- Issue date Oct 1, 1996
- Ando Electric Co., Ltd.
- Takashi Iwasaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Light frequency control apparatus
- Patent number 5,500,762
- Issue date Mar 19, 1996
- Ando Electric Co., Ltd.
- Haruyoshi Uchiyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Light frequency synthesizer
- Patent number 5,493,110
- Issue date Feb 20, 1996
- Ando Electric Co. Ltd.
- Nobunari Takeuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Light-frequency control apparatus
- Patent number 5,438,578
- Issue date Aug 1, 1995
- Ando Electric Co., Ltd.
- Tekken Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE