Hiroyoshi Ishikawa

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Signal processing device and inter-beam interference suppression me...
- Patent number 11,563,464
- Issue date Jan 24, 2023
- Fujitsu Limited
- Tomoya Ota
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wireless communication apparatus and coefficient updating method
- Patent number 11,424,774
- Issue date Aug 23, 2022
- Fujitsu Limited
- Tomoya Ota
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Peak suppression circuit, peak suppression method, and transmitter
- Patent number 10,904,060
- Issue date Jan 26, 2021
- Fujitsu Limited
- Hiroyoshi Ishikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multiantenna communication device and coefficient update method
- Patent number 10,659,124
- Issue date May 19, 2020
- Fujitsu Limited
- Takenori Ohshima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Distortion compensating device and distortion compensation method
- Patent number 10,505,570
- Issue date Dec 10, 2019
- Fujitsu Limited
- Alexander Nikolaevich Lozhkin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Distortion compensation apparatus and distortion compensation method
- Patent number 9,825,658
- Issue date Nov 21, 2017
- Fujitsu Limited
- Yuichi Utsunomiya
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Distortion compensation device and distortion compensation method
- Patent number 9,819,370
- Issue date Nov 14, 2017
- Fujitsu Limited
- Hiroyoshi Ishikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Radio communication device and burst distortion correcting method
- Patent number 9,819,372
- Issue date Nov 14, 2017
- Fujitsu Limited
- Yuichi Utsunomiya
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Peak suppression device
- Patent number 9,813,273
- Issue date Nov 7, 2017
- Fujitsu Limited
- Hiroyoshi Ishikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Distortion compensation device and distortion compensation method
- Patent number 9,768,891
- Issue date Sep 19, 2017
- Fujitsu Limited
- Hiroyoshi Ishikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Peak suppression device and peak suppression method
- Patent number 9,755,877
- Issue date Sep 5, 2017
- Fujitsu Limited
- Hiroyoshi Ishikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Distortion compensation apparatus, transmission apparatus, and dist...
- Patent number 9,548,703
- Issue date Jan 17, 2017
- Fujitsu Limited
- Satoshi Matsubara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Peak suppression apparatus
- Patent number 9,515,861
- Issue date Dec 6, 2016
- Fujitsu Limited
- Tomoya Ota
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Power amplifier apparatus, transmitter apparatus, and method of con...
- Patent number 9,294,047
- Issue date Mar 22, 2016
- Fujitsu Limited
- Toshio Kawasaki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Wireless transmission apparatus and distortion compensation method
- Patent number 9,276,799
- Issue date Mar 1, 2016
- Fujitsu Limited
- Yuichi Utsunomiya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Distortion compensation apparatus, wireless transmission apparatus,...
- Patent number 9,270,231
- Issue date Feb 23, 2016
- Fujitsu Limited
- Yuichi Utsunomiya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Amplifying device, distortion compensating device, and amplifying m...
- Patent number 9,263,994
- Issue date Feb 16, 2016
- Fujitsu Limited
- Nobukazu Fudaba
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Distortion compensation device and distortion compensation method
- Patent number 9,236,893
- Issue date Jan 12, 2016
- Fujitsu Limited
- Hiroyoshi Ishikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Distortion compensation apparatus and distortion compensation method
- Patent number 9,225,295
- Issue date Dec 29, 2015
- Fujitsu Limited
- Hiroyoshi Ishikawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Distortion compensation device and distortion compensation method
- Patent number 9,190,964
- Issue date Nov 17, 2015
- Fujitsu Limited
- Yuichi Utsunomiya
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Distortion compensation apparatus and distortion compensation method
- Patent number 9,100,263
- Issue date Aug 4, 2015
- Fujitsu Limited
- Yuichi Utsunomiya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Power amplifier apparatus, distortion compensation coefficient upda...
- Patent number 8,933,752
- Issue date Jan 13, 2015
- Fujitsu Limited
- Kazuo Nagatani
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Distortion compensation device and distortion compensating method
- Patent number 8,787,487
- Issue date Jul 22, 2014
- Fujitsu Limited
- Kazuo Nagatani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Distortion compensation apparatus, transmitter, and distortion comp...
- Patent number 8,737,937
- Issue date May 27, 2014
- Fujitsu Limited
- Hiroyoshi Ishikawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Distortion compensation device, distortion compensation method, and...
- Patent number 8,712,345
- Issue date Apr 29, 2014
- Fujitsu Limited
- Hiroyoshi Ishikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Distortion compensation device, transmitter, and distortion compens...
- Patent number 8,655,289
- Issue date Feb 18, 2014
- Fujitsu Limited
- Nobukazu Fudaba
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Predistorter and distortion compensation method
- Patent number 8,619,905
- Issue date Dec 31, 2013
- Fujitsu Limited
- Hiroyoshi Ishikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Delay amount estimating apparatus and signal transmitting apparatus
- Patent number 8,605,815
- Issue date Dec 10, 2013
- Fujitsu Limited
- Yuichi Utsunomiya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmission apparatus and distortion compensation method
- Patent number 8,588,711
- Issue date Nov 19, 2013
- Fujitsu Limited
- Hiroyoshi Ishikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Distortion compensation apparatus and method
- Patent number 8,571,495
- Issue date Oct 29, 2013
- Fujitsu Limited
- Kazuo Nagatani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
WIRELESS COMMUNICATION APPARATUS AND DISTORTION COMPENSATION METHOD
- Publication number 20230142029
- Publication date May 11, 2023
- Fujitsu Limited
- Tomoya OTA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SIGNAL PROCESSING DEVICE AND INTER-BEAM INTERFERENCE SUPPRESSION ME...
- Publication number 20220182105
- Publication date Jun 9, 2022
- Fujitsu Limited
- Tomoya Ota
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WIRELESS COMMUNICATION APPARATUS AND COEFFICIENT UPDATING METHOD
- Publication number 20210288682
- Publication date Sep 16, 2021
- Fujitsu Limited
- Tomoya OTA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PEAK SUPPRESSION CIRCUIT, PEAK SUPPRESSION METHOD, AND TRANSMITTER
- Publication number 20200076661
- Publication date Mar 5, 2020
- Fujitsu Limited
- Hiroyoshi ISHIKAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MULTIANTENNA COMMUNICATION DEVICE AND COEFFICIENT UPDATE METHOD
- Publication number 20190273541
- Publication date Sep 5, 2019
- Fujitsu Limited
- Takenori Ohshima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DISTORTION COMPENSATING DEVICE AND DISTORTION COMPENSATION METHOD
- Publication number 20190132015
- Publication date May 2, 2019
- Fujitsu Limited
- Alexander Nikolaevich LOZHKIN
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
COMMUNICATION DEVICE, COMMUNICATION METHOD, AND CANCELLATION DEVICE
- Publication number 20180248572
- Publication date Aug 30, 2018
- Fujitsu Limited
- HIROYOSHI ISHIKAWA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DISTORTION COMPENSATION APPARATUS AND DISTORTION COMPENSATION METHOD
- Publication number 20180167093
- Publication date Jun 14, 2018
- Fujitsu Limited
- Shunji MIYAZAKI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION DEVICE AND RECEIVING METHOD
- Publication number 20180139032
- Publication date May 17, 2018
- Fujitsu Limited
- Hiroyoshi ISHIKAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DISTORTION COMPENSATION DEVICE AND COEFFICIENT UPDATE METHOD
- Publication number 20180054170
- Publication date Feb 22, 2018
- Fujitsu Limited
- Hiroaki Arai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DISTORTION COMPENSATION DEVICE AND DISTORTION COMPENSATION METHOD
- Publication number 20180013456
- Publication date Jan 11, 2018
- Fujitsu Limited
- Shunji Miyazaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DISTORTION COMPENSATION DEVICE AND DISTORTION COMPENSATION METHOD
- Publication number 20170180061
- Publication date Jun 22, 2017
- Fujitsu Limited
- HIROYOSHI ISHIKAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DISTORTION COMPENSATION DEVICE AND DISTORTION COMPENSATION METHOD
- Publication number 20170149458
- Publication date May 25, 2017
- Fujitsu Limited
- Tomoya Ota
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DISTORTION COMPENSATION DEVICE
- Publication number 20170111064
- Publication date Apr 20, 2017
- FUJITSU LIMITED
- Tomoya Ota
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RADIO COMMUNICATION DEVICE AND BURST DISTORTION CORRECTING METHOD
- Publication number 20170063406
- Publication date Mar 2, 2017
- Fujitsu Limited
- Yuichi Utsunomiya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DISTORTION COMPENSATION APPARATUS AND DISTORTION COMPENSATION METHOD
- Publication number 20160336975
- Publication date Nov 17, 2016
- Fujitsu Limited
- Yuichi Utsunomiya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PEAK SUPPRESSION DEVICE AND PEAK SUPPRESSION METHOD
- Publication number 20160261445
- Publication date Sep 8, 2016
- Fujitsu Limited
- Hiroyoshi ISHIKAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DISTORTION COMPENSATION DEVICE AND DISTORTION COMPENSATION METHOD
- Publication number 20160173147
- Publication date Jun 16, 2016
- Fujitsu Limited
- HIROYOSHI ISHIKAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PEAK SUPPRESSION DEVICE
- Publication number 20160119172
- Publication date Apr 28, 2016
- Fujitsu Limited
- HIROYOSHI ISHIKAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PEAK SUPPRESSION APPARATUS
- Publication number 20150372850
- Publication date Dec 24, 2015
- Fujitsu Limited
- Tomoya Ota
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DISTORTION COMPENSATION DEVICE AND DISTORTION COMPENSATION METHOD
- Publication number 20150341060
- Publication date Nov 26, 2015
- Fujitsu Limited
- HIROYOSHI ISHIKAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WIRELESS TRANSMISSION APPARATUS AND DISTORTION COMPENSATION METHOD
- Publication number 20150304154
- Publication date Oct 22, 2015
- Fujitsu Limited
- Yuichi Utsunomiya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DISTORTION COMPENSATION APPARATUS, WIRELESS TRANSMISSION APPARATUS,...
- Publication number 20150236656
- Publication date Aug 20, 2015
- Fujitsu Limited
- Yuichi Utsunomiya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DISTORTION COMPENSATION APPARATUS, TRANSMISSION APPARATUS, AND DIST...
- Publication number 20150077179
- Publication date Mar 19, 2015
- Fujitsu Limited
- Satoshi MATSUBARA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
POWER AMPLIFIER APPARATUS, TRANSMITTER APPARATUS, AND METHOD OF CON...
- Publication number 20140347132
- Publication date Nov 27, 2014
- Fujitsu Limited
- Toshio KAWASAKI
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
AMPLIFYING DEVICE, DISTORTION COMPENSATING DEVICE, AND AMPLIFYING M...
- Publication number 20140197885
- Publication date Jul 17, 2014
- Fujitsu Limited
- Nobukazu FUDABA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DISTORTION COMPENSATION DEVICE AND DISTORTION COMPENSATION METHOD
- Publication number 20140167844
- Publication date Jun 19, 2014
- Fujitsu Limited
- Yuichi UTSUNOMIYA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DISTORTION COMPENSATION APPARATUS AND DISTORTION COMPENSATION METHOD
- Publication number 20130321078
- Publication date Dec 5, 2013
- Fujitsu Limited
- Hiroyoshi ISHIKAWA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DISTORTION COMPENSATION DEVICE, DISTORTION COMPENSATION METHOD, AND...
- Publication number 20130040587
- Publication date Feb 14, 2013
- Fujitsu Limited
- Hiroyoshi Ishikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DISTORTION COMPENSATION APPARATUS, TRANSMITTER, AND DISTORTION COMP...
- Publication number 20130015917
- Publication date Jan 17, 2013
- Fujitsu Limited
- Hiroyoshi ISHIKAWA
- H03 - BASIC ELECTRONIC CIRCUITRY

Hiroyoshi Ishikawa

Person

Patents Grantslast 30 patents

Signal processing device and inter-beam interference suppression me...

Wireless communication apparatus and coefficient updating method

Peak suppression circuit, peak suppression method, and transmitter

Multiantenna communication device and coefficient update method

Distortion compensating device and distortion compensation method

Distortion compensation apparatus and distortion compensation method

Distortion compensation device and distortion compensation method

Radio communication device and burst distortion correcting method

Peak suppression device

Distortion compensation device and distortion compensation method

Peak suppression device and peak suppression method

Distortion compensation apparatus, transmission apparatus, and dist...

Peak suppression apparatus

Power amplifier apparatus, transmitter apparatus, and method of con...

Wireless transmission apparatus and distortion compensation method

Distortion compensation apparatus, wireless transmission apparatus,...

Amplifying device, distortion compensating device, and amplifying m...

Distortion compensation device and distortion compensation method

Distortion compensation apparatus and distortion compensation method

Distortion compensation device and distortion compensation method

Distortion compensation apparatus and distortion compensation method

Power amplifier apparatus, distortion compensation coefficient upda...

Distortion compensation device and distortion compensating method

Distortion compensation apparatus, transmitter, and distortion comp...

Distortion compensation device, distortion compensation method, and...

Distortion compensation device, transmitter, and distortion compens...

Predistorter and distortion compensation method

Delay amount estimating apparatus and signal transmitting apparatus

Transmission apparatus and distortion compensation method

Distortion compensation apparatus and method

Patents Applicationslast 30 patents

WIRELESS COMMUNICATION APPARATUS AND DISTORTION COMPENSATION METHOD

SIGNAL PROCESSING DEVICE AND INTER-BEAM INTERFERENCE SUPPRESSION ME...

WIRELESS COMMUNICATION APPARATUS AND COEFFICIENT UPDATING METHOD

PEAK SUPPRESSION CIRCUIT, PEAK SUPPRESSION METHOD, AND TRANSMITTER

MULTIANTENNA COMMUNICATION DEVICE AND COEFFICIENT UPDATE METHOD

DISTORTION COMPENSATING DEVICE AND DISTORTION COMPENSATION METHOD

COMMUNICATION DEVICE, COMMUNICATION METHOD, AND CANCELLATION DEVICE

DISTORTION COMPENSATION APPARATUS AND DISTORTION COMPENSATION METHOD

COMMUNICATION DEVICE AND RECEIVING METHOD

DISTORTION COMPENSATION DEVICE AND COEFFICIENT UPDATE METHOD

DISTORTION COMPENSATION DEVICE AND DISTORTION COMPENSATION METHOD

DISTORTION COMPENSATION DEVICE AND DISTORTION COMPENSATION METHOD

DISTORTION COMPENSATION DEVICE AND DISTORTION COMPENSATION METHOD

DISTORTION COMPENSATION DEVICE

RADIO COMMUNICATION DEVICE AND BURST DISTORTION CORRECTING METHOD

DISTORTION COMPENSATION APPARATUS AND DISTORTION COMPENSATION METHOD

PEAK SUPPRESSION DEVICE AND PEAK SUPPRESSION METHOD

DISTORTION COMPENSATION DEVICE AND DISTORTION COMPENSATION METHOD

PEAK SUPPRESSION DEVICE

PEAK SUPPRESSION APPARATUS

DISTORTION COMPENSATION DEVICE AND DISTORTION COMPENSATION METHOD

WIRELESS TRANSMISSION APPARATUS AND DISTORTION COMPENSATION METHOD

DISTORTION COMPENSATION APPARATUS, WIRELESS TRANSMISSION APPARATUS,...

DISTORTION COMPENSATION APPARATUS, TRANSMISSION APPARATUS, AND DIST...

POWER AMPLIFIER APPARATUS, TRANSMITTER APPARATUS, AND METHOD OF CON...

AMPLIFYING DEVICE, DISTORTION COMPENSATING DEVICE, AND AMPLIFYING M...

DISTORTION COMPENSATION DEVICE AND DISTORTION COMPENSATION METHOD

DISTORTION COMPENSATION APPARATUS AND DISTORTION COMPENSATION METHOD

DISTORTION COMPENSATION DEVICE, DISTORTION COMPENSATION METHOD, AND...

DISTORTION COMPENSATION APPARATUS, TRANSMITTER, AND DISTORTION COMP...