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Noriaki Mizuguchi
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Patents Grants
last 30 patents
Information
Patent Grant
Optical transceiving apparatus, optical transmitting method, and op...
Patent number
10,044,463
Issue date
Aug 7, 2018
Fujitsu Limited
Noriaki Mizuguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical phase noise extracting device and optical phase noise extra...
Patent number
9,667,342
Issue date
May 30, 2017
Fujitsu Limited
Noriaki Mizuguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical transmission system, optical reception apparatus, and signa...
Patent number
9,608,734
Issue date
Mar 28, 2017
Fujitsu Limited
Makoto Murakami
G02 - OPTICS
Information
Patent Grant
Photodetection device, photodetection method, and optical transmiss...
Patent number
9,577,747
Issue date
Feb 21, 2017
Fujitsu Limited
Naoki Yamamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical transceiving apparatus, optical transmitting method, and op...
Patent number
9,537,570
Issue date
Jan 3, 2017
Fujitsu Limited
Noriaki Mizuguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical phase compensation device, optical receiver, and optical ph...
Patent number
9,325,424
Issue date
Apr 26, 2016
Fujitsu Limited
Noriaki Mizuguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for controlling polarization multiplexed optical signal
Patent number
8,731,409
Issue date
May 20, 2014
Yuichi Akiyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical apparatus using polarized orthogonal control
Patent number
8,670,665
Issue date
Mar 11, 2014
Fujitsu Limited
Takashi Toyomaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
OSNR monitor device and OSNR measurement device
Patent number
8,655,170
Issue date
Feb 18, 2014
Fujitsu Limited
Norifumi Shukunami
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical communication device and dispersion compensation method
Patent number
8,538,265
Issue date
Sep 17, 2013
Fujitsu Limited
Kenichi Kaburagi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical signal transmitter and method for controlling polarization...
Patent number
8,472,810
Issue date
Jun 25, 2013
Fujitsu Limited
Yuichi Akiyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Polarization multiplexed optical transmitter and method for control...
Patent number
8,364,038
Issue date
Jan 29, 2013
Fujitsu Limited
Noriaki Mizuguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical receiver and clock generation method
Patent number
8,351,800
Issue date
Jan 8, 2013
Fujitsu Limited
Kiyotoshi Noheji
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical transmitting apparatus
Patent number
8,121,492
Issue date
Feb 21, 2012
Fujitsu Limited
Yuichi Akiyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Receiving device and receiving method
Patent number
8,064,780
Issue date
Nov 22, 2011
Fujitsu Limited
Takahiro Makimoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Detecting abnormality in an optical receiver
Patent number
7,991,301
Issue date
Aug 2, 2011
Fujitsu Limited
Noriaki Mizuguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Phase control apparatus and optical DQPSK receiver
Patent number
7,684,713
Issue date
Mar 23, 2010
Fujitsu Limited
Yoshikazu Terayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Phase monitor used in optical receiver
Patent number
7,676,162
Issue date
Mar 9, 2010
Fujitsu Limited
Akihiko Isomura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Peltier control circuit and a peltier device structure
Patent number
5,966,938
Issue date
Oct 19, 1999
Fujitsu Limited
Yasunori Nagakubo
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Synchronization control unit which maintains synchronization betwee...
Patent number
5,808,571
Issue date
Sep 15, 1998
Fujitsu Limited
Naoki Kuwata
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Peltier control circuit and a peltier device structure
Patent number
5,515,682
Issue date
May 14, 1996
Fujitsu Limited
Yasunori Nagakubo
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Patents Applications
last 30 patents
Information
Patent Application
TRANSMISSION APPARATUS AND WAVELENGTH SETTING METHOD
Publication number
20170264371
Publication date
Sep 14, 2017
Fujitsu Limited
Shinsuke FUKUI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL TRANSCEIVING APPARATUS, OPTICAL TRANSMITTING METHOD, AND OP...
Publication number
20170005748
Publication date
Jan 5, 2017
Fujitsu Limited
Noriaki MIZUGUCHI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL PHASE NOISE EXTRACTING DEVICE AND OPTICAL PHASE NOISE EXTRA...
Publication number
20160142132
Publication date
May 19, 2016
Fujitsu Limited
Noriaki Mizuguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL TRANSMISSION SYSTEM, OPTICAL RECEPTION APPARATUS, AND SIGNA...
Publication number
20160142152
Publication date
May 19, 2016
FUJITSU LIMITED
Makoto MURAKAMI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PHOTODETECTION DEVICE, PHOTODETECTION METHOD, AND OPTICAL TRANSMISS...
Publication number
20150086197
Publication date
Mar 26, 2015
Fujitsu Limited
Naoki Yamamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL PHASE COMPENSATION DEVICE, OPTICAL RECEIVER, AND OPTICAL PH...
Publication number
20140363176
Publication date
Dec 11, 2014
Fujitsu Limited
Noriaki MIZUGUCHI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD FOR CONTROLLING POLARIZATION MULTIPLEXED OPTICAL SIGNAL
Publication number
20130279913
Publication date
Oct 24, 2013
Yuichi AKIYAMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL TRANSCEIVING APPARATUS, OPTICAL TRANSMITTING METHOD, AND OP...
Publication number
20130259479
Publication date
Oct 3, 2013
Fujitsu Limited
Noriaki MIZUGUCHI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CONTROL DEVICE, OPTICAL RECEIVING DEVICE, AND CONTROL METHOD
Publication number
20130004159
Publication date
Jan 3, 2013
Fujitsu Limited
Takahiro MAKIMOTO
G05 - CONTROLLING REGULATING
Information
Patent Application
Optical communication device and dispersion compensation method
Publication number
20120020661
Publication date
Jan 26, 2012
FUJITSU LIMITED
Kenichi Kaburagi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL RECEIVER AND CLOCK GENERATION METHOD
Publication number
20110211847
Publication date
Sep 1, 2011
Fujitsu Limited
Kiyotoshi NOHEJI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
POLARIZATION MULTIPLEXED OPTICAL TRANSMITTER AND METHOD FOR CONTROL...
Publication number
20110044702
Publication date
Feb 24, 2011
Fujitsu Limited
Noriaki Mizuguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL SIGNAL TRANSMITTER AND METHOD FOR CONTROLLING POLARIZATION...
Publication number
20110026935
Publication date
Feb 3, 2011
FUJITSU LIMITED
Yuichi Akiyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OSNR MONITOR DEVICE AND OSNR MEASUREMENT DEVICE
Publication number
20100322622
Publication date
Dec 23, 2010
FUJITSU LIMITED
Norifumi SHUKUNAMI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DEMODULATION CIRCUIT
Publication number
20090220249
Publication date
Sep 3, 2009
FUJITSU LIMITED
Noriaki Mizuguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL DQPSK RECEIVER AND OPTICAL PHASE MONITOR APPARATUS FOR USE...
Publication number
20090214226
Publication date
Aug 27, 2009
FUJITSU LIMITED
Noriaki MIZUGUCHI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DQPSK modulation apparatus and DQPSK modulation method
Publication number
20090116849
Publication date
May 7, 2009
FUJITSU LIMITED
Noriaki Mizuguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DETECTING ABNORMALITY IN AN OPTICAL RECEIVER
Publication number
20080253761
Publication date
Oct 16, 2008
FUJITSU LIMITED
Noriaki MIZUGUCHI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL APPARATUS USING POLARIZED ORTHOGONAL CONTROL
Publication number
20080166128
Publication date
Jul 10, 2008
FUJITSU LIMITED
Takashi TOYOMAKI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Receiving device and receiving method
Publication number
20080137778
Publication date
Jun 12, 2008
FUJITSU LIMITED
Takahiro Makimoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Phase monitor used in optical receiver
Publication number
20080056733
Publication date
Mar 6, 2008
FUJITSU LIMITED
Akihiko Isomura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Phase control apparatus and optical DQPSK receiver
Publication number
20070292140
Publication date
Dec 20, 2007
FUJITSU LIMITED
Yoshikazu Terayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE