Haruo Abe

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Noise suppression method for wavelength division multiplexing trans...
- Patent number 5,978,122
- Issue date Nov 2, 1999
- Kokusai Denshin Denwa Kabushiki Kaisha
- Toshio Kawazawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Light amplifying apparatus
- Patent number 5,510,930
- Issue date Apr 23, 1996
- Mitsubishi Denki Kabushiki Kaisha
- Kuniaki Motoshima
- H01 - BASIC ELECTRIC ELEMENTS