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Manabu Yamazaki
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Fuchu, JP
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Patents Grants
last 30 patents
Information
Patent Grant
CDR circuit and receiver of multilevel modulation method
Patent number
11,070,352
Issue date
Jul 20, 2021
Fujitsu Limited
Nobuaki Kawasoe
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Reception circuit, receiver, and reception control method
Patent number
10,944,601
Issue date
Mar 9, 2021
Fujitsu Limited
Manabu Yamazaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Mach-zehnder optical modulator
Patent number
10,890,822
Issue date
Jan 12, 2021
Fujitsu Limited
Shigeki Kawaai
G02 - OPTICS
Information
Patent Grant
Optical transmitter
Patent number
10,284,302
Issue date
May 7, 2019
Fujitsu Limited
Shigeki Kawaai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Adaptive equalization circuit, digital coherent receiver, and adapt...
Patent number
9,680,667
Issue date
Jun 13, 2017
Fujitsu Limited
Daisuke Sasaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Signal processing apparatus, signal processing method, and signal p...
Patent number
9,660,733
Issue date
May 23, 2017
Fujitsu Limited
Masashi Sato
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Optical communication receiving device and frequency offset compens...
Patent number
9,496,966
Issue date
Nov 15, 2016
Fujitsu Limited
Kazuhiko Hatae
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Frequency offset estimation circuit and frequency offset estimation...
Patent number
9,401,765
Issue date
Jul 26, 2016
Fujitsu Limited
Nobuaki Kawasoe
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical receiving device
Patent number
9,374,170
Issue date
Jun 21, 2016
Fujitsu Limited
Masato Oota
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Signal processing device, signal processing method, and communicati...
Patent number
9,143,239
Issue date
Sep 22, 2015
Fujitsu Limited
Manabu Yamazaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication device and communication system
Patent number
8,254,472
Issue date
Aug 28, 2012
Fujitsu Limited
Noboru Morita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Equalizer characteristics optimizing method and transmission system
Patent number
8,194,727
Issue date
Jun 5, 2012
Fujitsu Limited
Manabu Yamazaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Variable delay circuit, memory control circuit, delay amount settin...
Patent number
7,957,210
Issue date
Jun 7, 2011
Fujitsu Limited
Manabu Yamazaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Device having communication function, method for automatically adju...
Patent number
7,733,967
Issue date
Jun 8, 2010
Fujitsu Limited
Manabu Yamazaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Serial transfer interface
Patent number
7,508,872
Issue date
Mar 24, 2009
Fujitsu Limited
Manabu Yamazaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus for and method of analyzing transmission characteristics...
Patent number
7,266,794
Issue date
Sep 4, 2007
Fujitsu Limited
Manabu Yamazaki
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
RECEIVING DEVICE AND RECEIVING METHOD
Publication number
20210257982
Publication date
Aug 19, 2021
Fujitsu Limited
DAISUKE USUI
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
CDR CIRCUIT AND RECEIVER OF MULTILEVEL MODULATION METHOD
Publication number
20210067312
Publication date
Mar 4, 2021
Fujitsu Limited
Nobuaki Kawasoe
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
RECEPTION CIRCUIT, RECEIVER, AND RECEPTION CONTROL METHOD
Publication number
20200358639
Publication date
Nov 12, 2020
Fujitsu Limited
Manabu Yamazaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MACH-ZEHNDER OPTICAL MODULATOR
Publication number
20200089075
Publication date
Mar 19, 2020
Fujitsu Limited
Shigeki Kawaai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL TRANSMITTER
Publication number
20180343064
Publication date
Nov 29, 2018
Fujitsu Limited
Shigeki Kawaai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ADAPTIVE EQUALIZATION CIRCUIT, DIGITAL COHERENT RECEIVER, AND ADAPT...
Publication number
20170012803
Publication date
Jan 12, 2017
Fujitsu Limited
Daisuke SASAKI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SIGNAL PROCESSING APPARATUS, SIGNAL PROCESSING METHOD, AND SIGNAL P...
Publication number
20160134261
Publication date
May 12, 2016
Fujitsu Limited
Masashi Sato
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
OPTICAL RECEIVING DEVICE
Publication number
20150180586
Publication date
Jun 25, 2015
Fujitsu Limited
Masato OOTA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
FREQUENCY OFFSET ESTIMATION CIRCUIT AND FREQUENCY OFFSET ESTIMATION...
Publication number
20150147071
Publication date
May 28, 2015
Fujitsu Limited
Nobuaki Kawasoe
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL COMMUNICATION RECEIVING DEVICE AND FREQUENCY OFFSET COMPENS...
Publication number
20150098714
Publication date
Apr 9, 2015
FUJITSU LIMITED
Kazuhiko HATAE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SIGNAL PROCESSING DEVICE, SIGNAL PROCESSING METHOD, AND COMMUNICATI...
Publication number
20140193163
Publication date
Jul 10, 2014
Fujitsu Limited
Manabu Yamazaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD FOR SIMULATING DATA TRANSMISSION AMONG A PLURALITY OF HARDWA...
Publication number
20130317802
Publication date
Nov 28, 2013
Fujitsu Limited
Manabu YAMAZAKI
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
COMMUNICATION DEVICE, COMMUNICATION SYSTEM, AND COMMUNICATION METHOD
Publication number
20100128763
Publication date
May 27, 2010
FUJITSU LIMITED
Noboru Morita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Equalizer characteristics optimizing method and transmission system
Publication number
20100008413
Publication date
Jan 14, 2010
FUJITSU LIMITED
Manabu Yamazaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
VARIABLE DELAY CIRCUIT, MEMORY CONTROL CIRCUIT, DELAY AMOUNT SETTIN...
Publication number
20090129179
Publication date
May 21, 2009
FUJITSU LIMITED
Manabu YAMAZAKI
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Circuit unit designing apparatus, circuit unit designing method, an...
Publication number
20080077892
Publication date
Mar 27, 2008
FUJITSU LIMITED
Manabu Yamazaki
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Serial transfer interface
Publication number
20070121767
Publication date
May 31, 2007
FUJITSU LIMITED
Manabu Yamazaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Device having communication function, method for automatically adju...
Publication number
20070041454
Publication date
Feb 22, 2007
FUJITSU LIMITED
Manabu Yamazaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Electronic circuit for high speed signal transmission
Publication number
20060219431
Publication date
Oct 5, 2006
FUJITSU LIMITED
Manabu Yamazaki
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Apparatus for and method of analyzing transmission characteristics...
Publication number
20050246669
Publication date
Nov 3, 2005
FUJITSU LIMITED
Manabu Yamazaki
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Transmission apparatus
Publication number
20050195928
Publication date
Sep 8, 2005
FUJITSU LIMITED
Manabu Yamazaki
G06 - COMPUTING CALCULATING COUNTING