Hisakatsu Yamaguchi

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Parameter setting transmission and reception system and parameter s...
- Patent number 10,778,382
- Issue date Sep 15, 2020
- Fujitsu Limited
- Hisakatsu Yamaguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Jitter measurement circuit and jitter measurement system
- Patent number 10,718,811
- Issue date Jul 21, 2020
- Fujitsu Limited
- Joshua Liang
- G01 - MEASURING TESTING
Information Patent Grant
Control signal transmission and reception system and control signal...
- Patent number 10,623,172
- Issue date Apr 14, 2020
- Fujitsu Limited
- Jun Matsui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Receiving circuit and method for controlling frequency
- Patent number 9,608,640
- Issue date Mar 28, 2017
- Fujitsu Limited
- Satoshi Matsubara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Differential signal skew adjustment method and transmission circuit
- Patent number 9,154,291
- Issue date Oct 6, 2015
- Fujitsu Limited
- Hisakatsu Yamaguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Clock phase interpolator, data transmission and reception circuit,...
- Patent number 9,088,405
- Issue date Jul 21, 2015
- Fujitsu Limited
- Hisakatsu Yamaguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Receiving device and receiving method
- Patent number 8,638,843
- Issue date Jan 28, 2014
- Fujitsu Limited
- Hisakatsu Yamaguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Receiving device
- Patent number 8,588,340
- Issue date Nov 19, 2013
- Fujitsu Limited
- Yasumoto Tomita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Receiver circuit
- Patent number 8,462,905
- Issue date Jun 11, 2013
- Fujitsu Limited
- Hisakatsu Yamaguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Receiver circuit
- Patent number 8,325,864
- Issue date Dec 4, 2012
- Fujitsu Limited
- Hisakatsu Yamaguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Adaptive equalizer circuit
- Patent number 8,270,462
- Issue date Sep 18, 2012
- Fujitsu Limited
- Hisakatsu Yamaguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Clock recovery circuit and data receiving circuit
- Patent number 8,204,153
- Issue date Jun 19, 2012
- Fujitsu Limited
- Hisakatsu Yamaguchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Phase interpolator for a timing signal generating circuit
- Patent number 8,065,553
- Issue date Nov 22, 2011
- Fujitsu Limited
- Hirotaka Tamura
- G11 - INFORMATION STORAGE
Information Patent Grant
Data transmission circuit and data communication system
- Patent number 7,982,638
- Issue date Jul 19, 2011
- Fujitsu Limited
- Hisakatsu Yamaguchi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Data recovery circuit, data recovery method and data receiving appa...
- Patent number 7,973,691
- Issue date Jul 5, 2011
- Fujitsu Limited
- Hisakatsu Yamaguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
AD converter, data receiver and data reception method
- Patent number 7,936,296
- Issue date May 3, 2011
- Fujitsu Limited
- Masaya Kibune
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Data transmitting circuit and transmitting method
- Patent number 7,880,543
- Issue date Feb 1, 2011
- Fujitsu Limited
- Hisakatsu Yamaguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Clock frequency dividing circuit
- Patent number 7,863,948
- Issue date Jan 4, 2011
- Fujitsu Limited
- Hisakatsu Yamaguchi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Clock signal generating and distributing apparatus
- Patent number 7,863,987
- Issue date Jan 4, 2011
- Fujitsu Limited
- Kouichi Kanda
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Peaking control circuit
- Patent number 7,786,785
- Issue date Aug 31, 2010
- Fujitsu Limited
- Kouichi Kanda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Timing adjustment for data transmitting/receiving circuit
- Patent number 7,653,169
- Issue date Jan 26, 2010
- Fujitsu Limited
- Hisakatsu Yamaguchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data receiver and equalizer adapter
- Patent number 7,542,506
- Issue date Jun 2, 2009
- Fujitsu Limited
- Hisakatsu Yamaguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data transmission device and input/output interface circuit
- Patent number 7,542,532
- Issue date Jun 2, 2009
- Fujitsu Limited
- Hisakatsu Yamaguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Adaptive equalizer circuit
- Patent number 7,535,956
- Issue date May 19, 2009
- Fujitsu Limited
- Hisakatsu Yamaguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Clock recovery circuit and data receiving circuit
- Patent number 7,515,656
- Issue date Apr 7, 2009
- Fujitsu Limited
- Hisakatsu Yamaguchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Timing signal generating circuit with a master circuit and slave ci...
- Patent number 7,496,781
- Issue date Feb 24, 2009
- Fujitsu, Ltd.
- Hirotaka Tamura
- G11 - INFORMATION STORAGE
Information Patent Grant
Clock distribution circuit
- Patent number 7,397,293
- Issue date Jul 8, 2008
- Fujitsu Limited
- Kouichi Kanda
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL MODULE SWITCH DEVICE
- Publication number 20230353253
- Publication date Nov 2, 2023
- Fujitsu Limited
- Kozo SHIMIZU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PARAMETER SETTING TRANSMISSION AND RECEPTION SYSTEM AND PARAMETER S...
- Publication number 20200044795
- Publication date Feb 6, 2020
- Fujitsu Limited
- Hisakatsu Yamaguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CONTROL SIGNAL TRANSMISSION AND RECEPTION SYSTEM AND CONTROL SIGNAL...
- Publication number 20200036507
- Publication date Jan 30, 2020
- Fujitsu Limited
- Jun Matsui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
JITTER MEASUREMENT CIRCUIT AND JITTER MEASUREMENT SYSTEM
- Publication number 20180313895
- Publication date Nov 1, 2018
- Fujitsu Limited
- Joshua Liang
- G01 - MEASURING TESTING
Information Patent Application
RECEIVING CIRCUIT AND METHOD FOR CONTROLLING FREQUENCY
- Publication number 20170111050
- Publication date Apr 20, 2017
- Fujitsu Limited
- SATOSHI MATSUBARA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
CLOCK PHASE INTERPOLATOR, DATA TRANSMISSION AND RECEPTION CIRCUIT,...
- Publication number 20140294132
- Publication date Oct 2, 2014
- Fujitsu Limited
- Hisakatsu Yamaguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DIFFERENTIAL SIGNAL SKEW ADJUSTMENT METHOD AND TRANSMISSION CIRCUIT
- Publication number 20140176208
- Publication date Jun 26, 2014
- Fujitsu Limited
- Hisakatsu Yamaguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RECEIVER CIRCUIT
- Publication number 20120177098
- Publication date Jul 12, 2012
- FUJITSU LIMITED
- Hisakatsu Yamaguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RECEIVING DEVICE AND RECEIVING METHOD
- Publication number 20110299585
- Publication date Dec 8, 2011
- FUJITSU SEMICONDUCTOR LIMITED
- Yasumoto Tomita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RECEIVING DEVICE AND RECEIVING METHOD
- Publication number 20110299583
- Publication date Dec 8, 2011
- FUJITSU SEMICONDUCTOR LIMITED
- Hisakatsu YAMAGUCHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DATA RECOVERY CIRCUIT, DATA RECOVERY METHOD AND DATA RECEIVING APPA...
- Publication number 20100127906
- Publication date May 27, 2010
- FUJITSU LIMITED
- Hisakatsu YAMAGUCHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RECEIVER CIRCUIT
- Publication number 20100040130
- Publication date Feb 18, 2010
- FUJITSU LIMITED
- Hisakatsu Yamaguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
AD CONVERTER, DATA RECEIVER AND DATA RECEPTION METHOD
- Publication number 20100014607
- Publication date Jan 21, 2010
- FUJITSU LIMITED
- Masaya Kibune
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DATA TRANSMISSION CIRCUIT AND DATA COMMUNICATION SYSTEM
- Publication number 20090309771
- Publication date Dec 17, 2009
- FUJITSU LIMITED
- Hisakatsu Yamaguchi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
ADAPTIVE EQUALIZER CIRCUIT
- Publication number 20090310666
- Publication date Dec 17, 2009
- FUJITSU LIMITED
- Hisakatsu YAMAGUCHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DATA TRANSMITTING CIRCUIT AND TRANSMITTING METHOD
- Publication number 20090225900
- Publication date Sep 10, 2009
- Fujitsu Limited
- Hisakatsu YAMAGUCHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CLOCK RECOVERY CIRCUIT AND DATA RECEIVING CIRCUIT
- Publication number 20090220029
- Publication date Sep 3, 2009
- FUJITSU LIMITED
- Hisakatsu Yamaguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Timing Signal Generating Circuit, Semiconductor Integrated Circuit...
- Publication number 20090195281
- Publication date Aug 6, 2009
- FUJITSU LIMITED
- Hirotaka Tamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PEAKING CONTROL CIRCUIT
- Publication number 20090066394
- Publication date Mar 12, 2009
- FUJITSU LIMITED
- Kouichi KANDA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CLOCK FREQUENCY DIVIDING CIRCUIT
- Publication number 20090027091
- Publication date Jan 29, 2009
- Fujitsu Limited
- Hisakatsu YAMAGUCHI
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Clock signal generating and distributing apparatus
- Publication number 20070063779
- Publication date Mar 22, 2007
- FUJITSU LIMITED
- Kouichi Kanda
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Timing adjustment for data transmitting/receiving circuit
- Publication number 20070064781
- Publication date Mar 22, 2007
- FUJITSU LIMITED
- Hisakatsu Yamaguchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Clock distribution circuit
- Publication number 20070063751
- Publication date Mar 22, 2007
- FUJITSU LIMITED
- Kouichi Kanda
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Data receiver and equalizer adapter
- Publication number 20060209945
- Publication date Sep 21, 2006
- FUJITSU LIMITED
- Hisakatsu Yamaguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Adaptive equalizer circuit
- Publication number 20060176946
- Publication date Aug 10, 2006
- FUJITSU LIMITED
- Hisakatsu Yamaguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Circuit analysis method and circuit analysis apparatus
- Publication number 20060047494
- Publication date Mar 2, 2006
- FUJITSU LIMITED
- Hirotaka Tamura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Data transmission device and input/output interface circuit
- Publication number 20040252802
- Publication date Dec 16, 2004
- FUJITSU LIMITED
- Hisakatsu Yamaguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Clock recovery circuit and data receiving circuit
- Publication number 20030198105
- Publication date Oct 23, 2003
- FUJITSU LIMITED
- Hisakatsu Yamaguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Hisakatsu Yamaguchi

Person

Patents Grantslast 30 patents

Parameter setting transmission and reception system and parameter s...

Jitter measurement circuit and jitter measurement system

Control signal transmission and reception system and control signal...

Receiving circuit and method for controlling frequency

Differential signal skew adjustment method and transmission circuit

Clock phase interpolator, data transmission and reception circuit,...

Receiving device and receiving method

Receiving device

Receiver circuit

Receiver circuit

Adaptive equalizer circuit

Clock recovery circuit and data receiving circuit

Phase interpolator for a timing signal generating circuit

Data transmission circuit and data communication system

Data recovery circuit, data recovery method and data receiving appa...

AD converter, data receiver and data reception method

Data transmitting circuit and transmitting method

Clock frequency dividing circuit

Clock signal generating and distributing apparatus

Peaking control circuit

Timing adjustment for data transmitting/receiving circuit

Data receiver and equalizer adapter

Data transmission device and input/output interface circuit

Adaptive equalizer circuit

Clock recovery circuit and data receiving circuit

Timing signal generating circuit with a master circuit and slave ci...

Clock distribution circuit

Patents Applicationslast 30 patents

OPTICAL MODULE SWITCH DEVICE

PARAMETER SETTING TRANSMISSION AND RECEPTION SYSTEM AND PARAMETER S...

CONTROL SIGNAL TRANSMISSION AND RECEPTION SYSTEM AND CONTROL SIGNAL...

JITTER MEASUREMENT CIRCUIT AND JITTER MEASUREMENT SYSTEM

RECEIVING CIRCUIT AND METHOD FOR CONTROLLING FREQUENCY

CLOCK PHASE INTERPOLATOR, DATA TRANSMISSION AND RECEPTION CIRCUIT,...

DIFFERENTIAL SIGNAL SKEW ADJUSTMENT METHOD AND TRANSMISSION CIRCUIT

RECEIVER CIRCUIT

RECEIVING DEVICE AND RECEIVING METHOD

RECEIVING DEVICE AND RECEIVING METHOD

DATA RECOVERY CIRCUIT, DATA RECOVERY METHOD AND DATA RECEIVING APPA...

RECEIVER CIRCUIT

AD CONVERTER, DATA RECEIVER AND DATA RECEPTION METHOD

DATA TRANSMISSION CIRCUIT AND DATA COMMUNICATION SYSTEM

ADAPTIVE EQUALIZER CIRCUIT

DATA TRANSMITTING CIRCUIT AND TRANSMITTING METHOD

CLOCK RECOVERY CIRCUIT AND DATA RECEIVING CIRCUIT

Timing Signal Generating Circuit, Semiconductor Integrated Circuit...

PEAKING CONTROL CIRCUIT

CLOCK FREQUENCY DIVIDING CIRCUIT

Clock signal generating and distributing apparatus

Timing adjustment for data transmitting/receiving circuit

Clock distribution circuit

Data receiver and equalizer adapter

Adaptive equalizer circuit

Circuit analysis method and circuit analysis apparatus

Data transmission device and input/output interface circuit

Clock recovery circuit and data receiving circuit