Keiichi Yamaguchi

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Radio frequency circuit
- Patent number 11,290,067
- Issue date Mar 29, 2022
- Kabushiki Kaisha Toshiba
- Keiichi Yamaguchi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Electronic apparatus, and method
- Patent number 11,265,030
- Issue date Mar 1, 2022
- Kabushiki Kaisha Toshiba
- Koichiro Gomi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Amplification apparatus and transmission apparatus
- Patent number 11,139,782
- Issue date Oct 5, 2021
- Kabushiki Kaisha Toshiba
- Atsushi Yamaoka
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Amplification apparatus and transmission apparatus
- Patent number 11,025,211
- Issue date Jun 1, 2021
- Kabushiki Kaisha Toshiba
- Atsushi Yamaoka
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Amplifier circuit and transmitting device
- Patent number 10,985,704
- Issue date Apr 20, 2021
- Kabushiki Kaisha Toshiba
- Thomas Martin Hone
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Amplifier and transmitter
- Patent number 10,658,983
- Issue date May 19, 2020
- Kabushiki Kaisha Toshiba
- Thomas Martin Hone
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Amplifier and transmitter
- Patent number 10,411,654
- Issue date Sep 10, 2019
- Kabushiki Kaisha Toshiba
- Thomas Martin Hone
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Signal processing device
- Patent number 10,270,479
- Issue date Apr 23, 2019
- Kabushiki Kaisha Toshiba
- Makoto Tanahashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Modulated signal generating device and wireless device
- Patent number 10,122,390
- Issue date Nov 6, 2018
- Kabushiki Kaisha Toshiba
- Yoshimasa Egashira
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Doherty amplifier
- Patent number 10,069,461
- Issue date Sep 4, 2018
- Kabushiki Kaisha Toshiba
- Takashi Yamamoto
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Amplifier
- Patent number 9,755,584
- Issue date Sep 5, 2017
- Kabushiki Kaisha Toshiba
- Keiichi Yamaguchi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Modulated signal generating device and wireless device
- Patent number 9,590,829
- Issue date Mar 7, 2017
- Kabushiki Kaisha Toshiba
- Yoshimasa Egashira
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Amplifying device, transmitting device
- Patent number 9,438,187
- Issue date Sep 6, 2016
- Kabushiki Kaisha Toshiba
- Atsushi Yamaoka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal processing apparatus
- Patent number 9,306,731
- Issue date Apr 5, 2016
- Kabushiki Kaisha Toshiba
- Makoto Tanahashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Distortion compensation device
- Patent number 9,270,260
- Issue date Feb 23, 2016
- Kabushiki Kaisha Toshiba
- Makoto Tanahashi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Information processing server, remote control system, and remote co...
- Patent number 8,631,087
- Issue date Jan 14, 2014
- Kabushiki Kaisha Toshiba
- Kotaro Ise
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Distortion compensator, distortion compensation method, and transmi...
- Patent number 8,351,875
- Issue date Jan 8, 2013
- Kabushiki Kaisha Toshiba
- Takayuki Kato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Doherty amplifier system and transmitter using the same
- Patent number 8,237,498
- Issue date Aug 7, 2012
- Kabushiki Kaisha Toshiba
- Takayuki Kato
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Distortion compensator apparatus, amplifier apparatus, transmitter,...
- Patent number 8,204,454
- Issue date Jun 19, 2012
- Kabushiki Kaisha Toshiba
- Atsushi Yamaoka
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Image control from composed composite image using HID signal conver...
- Patent number 7,974,494
- Issue date Jul 5, 2011
- Kabushiki Kaisha Toshiba
- Takuya Kawamura
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Communication apparatus performing key feature extraction for cogni...
- Patent number 7,974,654
- Issue date Jul 5, 2011
- Kabushiki Kaisha Toshiba
- Tazuko Tomioka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communicating apparatus, method of calculating set value of orthogo...
- Patent number 7,778,354
- Issue date Aug 17, 2010
- Kabushiki Kaisha Toshiba
- Keiichi Yamaguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Radio frequency circuit and communication system with power amplifi...
- Patent number 7,526,259
- Issue date Apr 28, 2009
- Kabushiki Kaisha Toshiba
- Keiichi Yamaguchi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Wireless transmitter and amplifier
- Patent number 7,489,910
- Issue date Feb 10, 2009
- Kabushiki Kaisha Toshiba
- Takayuki Kato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Voltage controlled oscillator, frequency synthesizer and communicat...
- Patent number 7,221,920
- Issue date May 22, 2007
- Kabushiki Kaisha Toshiba
- Kazuhide Abe
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Power amplifier and radio communication device using the amplifier
- Patent number 7,138,862
- Issue date Nov 21, 2006
- Kabushiki Kaisha Toshiba
- Yuta Araki
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Power amplifier and radio communication device using the amplifier
- Patent number 7,095,276
- Issue date Aug 22, 2006
- Kabushiki Kaisha Toshiba
- Yuta Araki
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Power amplifier and radio communication device using the amplifier
- Patent number 7,091,776
- Issue date Aug 15, 2006
- Kabushiki Kaisha Toshiba
- Yuta Araki
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Power amplifier and radio communication device using the amplifier
- Patent number 7,046,084
- Issue date May 16, 2006
- Kabushiki Kaisha Toshiba
- Yuta Araki
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Radio frequency circuit and communication system with power amplifi...
- Patent number 7,046,974
- Issue date May 16, 2006
- Kabushiki Kaisha Toshiba
- Keiichi Yamaguchi
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
CIRCUIT ELEMENT
- Publication number 20240080968
- Publication date Mar 7, 2024
- Kabushiki Kaisha Toshiba
- Hiroaki IKEUCHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRONIC APPARATUS AND SIGNAL PROCESSING METHOD
- Publication number 20240080001
- Publication date Mar 7, 2024
- Kabushiki Kaisha Toshiba
- Yoshimasa KIMOTO
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
ELECTRONIC APPARATUS, AND METHOD
- Publication number 20210105033
- Publication date Apr 8, 2021
- Kabushiki Kaisha Toshiba
- Koichiro GOMI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RADIO FREQUENCY CIRCUIT
- Publication number 20200295716
- Publication date Sep 17, 2020
- KABUSHIKI KAISHA TOSHIBA
- Keiichi Yamaguchi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
AMPLIFICATION APPARATUS AND TRANSMISSION APPARATUS
- Publication number 20200295711
- Publication date Sep 17, 2020
- KABUSHIKI KAISHA TOSHIBA
- Atsushi YAMAOKA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
AMPLIFICATION APPARATUS AND TRANSMISSION APPARATUS
- Publication number 20200295719
- Publication date Sep 17, 2020
- KABUSHIKI KAISHA TOSHIBA
- Atsushi YAMAOKA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
AMPLIFIER CIRCUIT AND TRANSMITTING DEVICE
- Publication number 20200091869
- Publication date Mar 19, 2020
- KABUSHIKI KAISHA TOSHIBA
- Thomas Martin HONE
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
AMPLIFIER AND TRANSMITTER
- Publication number 20190356275
- Publication date Nov 21, 2019
- KABUSHIKI KAISHA TOSHIBA
- Thomas Martin HONE
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
AMPLIFIER AND TRANSMITTER
- Publication number 20190089312
- Publication date Mar 21, 2019
- KABUSHIKI KAISHA TOSHIBA
- Thomas Martin HONE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SIGNAL PROCESSING DEVICE
- Publication number 20180269910
- Publication date Sep 20, 2018
- Kabushiki Kaisha Toshiba
- Makoto TANAHASHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MODULATED SIGNAL GENERATING DEVICE AND WIRELESS DEVICE
- Publication number 20170237453
- Publication date Aug 17, 2017
- KABUSHIKI KAISHA TOSHIBA
- Yoshimasa Egashira
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DOHERTY AMPLIFIER
- Publication number 20170163220
- Publication date Jun 8, 2017
- KABUSHIKI KAISHA TOSHIBA
- Takashi YAMAMOTO
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
AMPLIFIER
- Publication number 20170141740
- Publication date May 18, 2017
- Kabushiki Kaisha Toshiba
- Keiichi YAMAGUCHI
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
MODULATED SIGNAL GENERATING DEVICE AND WIRELESS DEVICE
- Publication number 20160226685
- Publication date Aug 4, 2016
- KABUSHIKI KAISHA TOSHIBA
- Yoshimasa Egashira
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SIGNAL PROCESSING APPARATUS
- Publication number 20150249533
- Publication date Sep 3, 2015
- Kabushiki Kaisha Toshiba
- Makoto TANAHASHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
AMPLIFYING DEVICE, TRANSMITTING DEVICE
- Publication number 20150017934
- Publication date Jan 15, 2015
- Kabushiki Kaisha Toshiba
- Atsushi Yamaoka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DISTORTION COMPENSATION DEVICE
- Publication number 20140368251
- Publication date Dec 18, 2014
- KABUSHIKI KAISHA TOSHIBA
- Makoto TANAHASHI
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DOHERTY AMPLIFIER SYSTEM AND TRANSMITTER USING THE SAME
- Publication number 20120154034
- Publication date Jun 21, 2012
- Kabushiki Kaisha Toshiba
- Takayuki Kato
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Distortion compensator, distortion compensation method, and transmi...
- Publication number 20100159856
- Publication date Jun 24, 2010
- Kabushiki Kaisha Toshiba
- Takayuki Kato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Server device, method and program
- Publication number 20090222593
- Publication date Sep 3, 2009
- Shinya Murai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DISTORTION COMPENSATOR APPARATUS, AMPLIFIER APPARATUS, TRANSMITTER,...
- Publication number 20090195309
- Publication date Aug 6, 2009
- KABUSHIKI KAISHA TOSHIBA
- Atsushi Yamaoka
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Communication apparatus
- Publication number 20080161035
- Publication date Jul 3, 2008
- Kabushiki Kaisha Toshiba
- Tazuko Tomioka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATING APPARATUS, METHOD OF CALCULATING SET VALUE OF ORTHOGO...
- Publication number 20080025435
- Publication date Jan 31, 2008
- Kabushiki Kaisha Toshiba
- Keiichi Yamaguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Information Processing Server, Remote Control System, and Remote Co...
- Publication number 20070288550
- Publication date Dec 13, 2007
- KABUSHIKI KAISHA TOSHIBA
- Kotaro Ise
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Image control from composed composite image using HID signal conver...
- Publication number 20070063972
- Publication date Mar 22, 2007
- Kabushiki Kaisha Toshiba
- Takuya Kawamura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Wireless transmitter and amplifier
- Publication number 20060246855
- Publication date Nov 2, 2006
- KABUSHIKI KAISHA TOSHIBA
- Takayuki Kato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Power amplifier and radio communication device using the amplifier
- Publication number 20060038612
- Publication date Feb 23, 2006
- Yuta Araki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Power amplifier and radio communication device using the amplifier
- Publication number 20060038613
- Publication date Feb 23, 2006
- Yuta Araki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Power amplifier and radio communication device using the amplifier
- Publication number 20060033563
- Publication date Feb 16, 2006
- Yuta Araki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Power amplifier and radio communication device using the amplifier
- Publication number 20060033565
- Publication date Feb 16, 2006
- Yuta Araki
- H03 - BASIC ELECTRONIC CIRCUITRY

Keiichi Yamaguchi

Person

Patents Grantslast 30 patents

Radio frequency circuit

Electronic apparatus, and method

Amplification apparatus and transmission apparatus

Amplification apparatus and transmission apparatus

Amplifier circuit and transmitting device

Amplifier and transmitter

Amplifier and transmitter

Signal processing device

Modulated signal generating device and wireless device

Doherty amplifier

Amplifier

Modulated signal generating device and wireless device

Amplifying device, transmitting device

Signal processing apparatus

Distortion compensation device

Information processing server, remote control system, and remote co...

Distortion compensator, distortion compensation method, and transmi...

Doherty amplifier system and transmitter using the same

Distortion compensator apparatus, amplifier apparatus, transmitter,...

Image control from composed composite image using HID signal conver...

Communication apparatus performing key feature extraction for cogni...

Communicating apparatus, method of calculating set value of orthogo...

Radio frequency circuit and communication system with power amplifi...

Wireless transmitter and amplifier

Voltage controlled oscillator, frequency synthesizer and communicat...

Power amplifier and radio communication device using the amplifier

Power amplifier and radio communication device using the amplifier

Power amplifier and radio communication device using the amplifier

Power amplifier and radio communication device using the amplifier

Radio frequency circuit and communication system with power amplifi...

Patents Applicationslast 30 patents

CIRCUIT ELEMENT

ELECTRONIC APPARATUS AND SIGNAL PROCESSING METHOD

ELECTRONIC APPARATUS, AND METHOD

RADIO FREQUENCY CIRCUIT

AMPLIFICATION APPARATUS AND TRANSMISSION APPARATUS

AMPLIFICATION APPARATUS AND TRANSMISSION APPARATUS

AMPLIFIER CIRCUIT AND TRANSMITTING DEVICE

AMPLIFIER AND TRANSMITTER

AMPLIFIER AND TRANSMITTER

SIGNAL PROCESSING DEVICE

MODULATED SIGNAL GENERATING DEVICE AND WIRELESS DEVICE

DOHERTY AMPLIFIER

AMPLIFIER

MODULATED SIGNAL GENERATING DEVICE AND WIRELESS DEVICE

SIGNAL PROCESSING APPARATUS

AMPLIFYING DEVICE, TRANSMITTING DEVICE

DISTORTION COMPENSATION DEVICE

DOHERTY AMPLIFIER SYSTEM AND TRANSMITTER USING THE SAME

Distortion compensator, distortion compensation method, and transmi...

Server device, method and program

DISTORTION COMPENSATOR APPARATUS, AMPLIFIER APPARATUS, TRANSMITTER,...

Communication apparatus

COMMUNICATING APPARATUS, METHOD OF CALCULATING SET VALUE OF ORTHOGO...

Information Processing Server, Remote Control System, and Remote Co...

Image control from composed composite image using HID signal conver...

Wireless transmitter and amplifier

Power amplifier and radio communication device using the amplifier

Power amplifier and radio communication device using the amplifier

Power amplifier and radio communication device using the amplifier

Power amplifier and radio communication device using the amplifier