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Minoru Shikada
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Tokyo, JP
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last 30 patents
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Patent Grant
Light transmission device capable of stably transmitting a modulate...
Patent number
5,432,629
Issue date
Jul 11, 1995
NEC Corporation
Minoru Shikada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for transmission and receipt of coherent light signals
Patent number
5,301,053
Issue date
Apr 5, 1994
NEC Corporation
Minoru Shikada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical wavelength-division switching system with coherent optical...
Patent number
4,807,227
Issue date
Feb 21, 1989
NEC Corporation
Masahiko Fujiwara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Coherent optical communication system with FSK heterodyne or homody...
Patent number
4,759,080
Issue date
Jul 19, 1988
NEC Corporation
Katsumi Emura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
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
Information
Patent Grant
Bidirectional optical communication system
Patent number
4,704,741
Issue date
Nov 3, 1987
NEC Corporation
Minoru Shikada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
FSK laser transmitting apparatus
Patent number
4,700,352
Issue date
Oct 13, 1987
NEC Corporation
Minoru Shikada
H04 - ELECTRIC COMMUNICATION TECHNIQUE