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Hiroshi Oikawa
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Kawasaki, JP
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Patents Grants
last 30 patents
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Patent Grant
Pre-emphasis control method in consideration of nonlinear deteriora...
Patent number
7,308,200
Issue date
Dec 11, 2007
Fujitsu Limited
Nobuhide Hachiya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical output power automatic attenuation circuit for optical comm...
Patent number
7,136,584
Issue date
Nov 14, 2006
Fujitsu Limited
Keisuke Harada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
TRANSMISSION SYSTEM, TRANSMISSION DEVICE, AND TRANSMISSION METHOD
Publication number
20160142300
Publication date
May 19, 2016
Fujitsu Limited
Hirofumi Araki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical output power automatic attenuation circuit for optical comm...
Publication number
20060098270
Publication date
May 11, 2006
FUJITSU LIMITED
Keisuke Harada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Signal light transmitter including variable optical attenuator
Publication number
20040247326
Publication date
Dec 9, 2004
FUJITSU LIMITED
Hiroyuki Iwata
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Pre-emphasis control method in consideration of nonlinear deteriora...
Publication number
20040042793
Publication date
Mar 4, 2004
FUJITSU LIMITED
Nobuhide Hachiya
H04 - ELECTRIC COMMUNICATION TECHNIQUE