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Kawasaki-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Digital coherent receiver and receiving method of optical signal
Patent number
9,515,763
Issue date
Dec 6, 2016
Fujitsu Limited
Toshiki Honda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wavelength division multiplexing transmission device
Patent number
9,287,992
Issue date
Mar 15, 2016
Fujitsu Limited
Takehiro Fujita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical receiving device
Patent number
8,923,694
Issue date
Dec 30, 2014
Fujitsu Telecom Networks Limited
Toshiki Honda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical receiving apparatus and optical transmission system
Patent number
8,891,972
Issue date
Nov 18, 2014
Fujitsu Telecom Networks Limited
Toshiki Honda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical receiving apparatus
Patent number
7,890,000
Issue date
Feb 15, 2011
Fujitsu Limited
Toshiki Honda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical receiver and controlling method thereof, and optical transm...
Patent number
7,865,082
Issue date
Jan 4, 2011
Fujitsu Limited
Toshiki Honda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
High-speed dispersion compensation control apparatus
Patent number
7,817,925
Issue date
Oct 19, 2010
Fujitsu Limited
Toshiki Honda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wavelength division multiplexing apparatus
Patent number
7,720,384
Issue date
May 18, 2010
Fujitsu Limited
Kazuhiro Kunimatsu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
MANAGEMENT DEVICE AND WAVELENGTH SETTING METHOD
Publication number
20180109349
Publication date
Apr 19, 2018
Fujitsu Limited
Toshiki Honda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MANAGEMENT DEVICE AND WAVELENGTH SETTING METHOD
Publication number
20180109856
Publication date
Apr 19, 2018
Fujitsu Limited
Toshiki Honda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL TRANSMISSION DEVICE THAT TRANSMITS WAVELENGTH DIVISION MULT...
Publication number
20160352449
Publication date
Dec 1, 2016
Fujitsu Limited
Toshiki Honda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DIGITAL COHERENT RECEIVER AND RECEIVING METHOD OF OPTICAL SIGNAL
Publication number
20150288458
Publication date
Oct 8, 2015
Fujitsu Limited
TOSHIKI HONDA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL RECEIVING DEVICE
Publication number
20130216219
Publication date
Aug 22, 2013
Fujitsu Limited
Toshiki Honda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WAVELENGTH DIVISION MULTIPLEXING TRANSMISSION DEVICE
Publication number
20130148961
Publication date
Jun 13, 2013
FUJITSU LIMITED
Takehiro FUJITA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL RECEIVING APPARATUS AND OPTICAL TRANSMISSION SYSTEM
Publication number
20110188854
Publication date
Aug 4, 2011
Toshiki Honda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SIGNAL-LIGHT IDENTIFYING APPARATUS, WDM TRANSCEIVER, AND METHOD OF...
Publication number
20090290871
Publication date
Nov 26, 2009
FUJITSU LIMITED
Toshiki Honda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical receiver and controlling method thereof, and optical transm...
Publication number
20080187323
Publication date
Aug 7, 2008
FUJITSU LIMITED
Toshiki Honda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical receiving apparatus
Publication number
20080069571
Publication date
Mar 20, 2008
FUJITSU LIMITED
Toshiki Honda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
HIGH-SPEED DISPERSION COMPENSATION CONTROL APPARATUS
Publication number
20070297804
Publication date
Dec 27, 2007
FUJITSU LIMITED
Toshiki Honda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Wavelength division multiplexing apparatus
Publication number
20070077072
Publication date
Apr 5, 2007
FUJITSU LIMITED
Kazuhiro Kunimatsu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Wavelength division multiplexing apparatus
Publication number
20060104640
Publication date
May 18, 2006
FUJITSU LIMITED
Kazuhiro Kunimatsu
H04 - ELECTRIC COMMUNICATION TECHNIQUE