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Kouichi Minemura
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Tokyo, JP
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last 30 patents
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Patent Grant
Optical heterodyne detection pulse receiving system and method
Patent number
4,706,300
Issue date
Nov 10, 1987
NEC Corporation
Kouichi Minemura
G01 - MEASURING TESTING
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Patent Grant
Bidirectional optical fiber transmission system
Patent number
4,289,373
Issue date
Sep 15, 1981
Nippon Electric Co., Ltd.
Shigetoki Sugimoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Light branching device
Patent number
4,285,570
Issue date
Aug 25, 1981
Nippon Electric Company, Ltd.
Kouichi Minemura
G02 - OPTICS