Toshiharu Ito

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Communication system, terminal, control method, and nontransitory c...
- Patent number 11,849,348
- Issue date Dec 19, 2023
- NEC Corporation
- Yohei Hasegawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Reception device for optical space communication, optical space com...
- Patent number 11,728,888
- Issue date Aug 15, 2023
- NEC Corporation
- Manabu Arikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Receiving optical system control device and receiving optical syste...
- Patent number 11,637,636
- Issue date Apr 25, 2023
- NEC Corporation
- Manabu Arikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication apparatus and communication method
- Patent number 11,277,758
- Issue date Mar 15, 2022
- NEC Corporation
- Yasunori Futatsugi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical space communication system, optical reception device, optic...
- Patent number 11,206,081
- Issue date Dec 21, 2021
- NEC Corporation
- Manabu Arikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal processing device and signal processing method
- Patent number 11,139,896
- Issue date Oct 5, 2021
- NEC Corporation
- Manabu Arikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal combining device and signal combining method
- Patent number 10,998,973
- Issue date May 4, 2021
- NEC Corporation
- Manabu Arikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Free-space optical communication receiving device and method of con...
- Patent number 10,862,593
- Issue date Dec 8, 2020
- NEC Corporation
- Kohei Hosokawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical space communication device and delay adjustment method
- Patent number 10,735,093
- Issue date Aug 4, 2020
- NEC Corporation
- Yoshimasa Ono
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Received signal processor and method for processing received signal
- Patent number 10,511,409
- Issue date Dec 17, 2019
- NEC Corporation
- Kohei Hosokawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Free space optical transmitter and free space optical communication...
- Patent number 10,454,577
- Issue date Oct 22, 2019
- NEC Corporation
- Seigo Takahashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital signal processing circuit and optical space communication s...
- Patent number 10,432,318
- Issue date Oct 1, 2019
- NEC Corporation
- Manabu Arikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical communication device, optical communication system, and opt...
- Patent number 10,411,802
- Issue date Sep 10, 2019
- NEC Corporation
- Akihiro Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission system, optical receiver, and method for detec...
- Patent number 10,361,779
- Issue date Jul 23, 2019
- NEC Corporation
- Manabu Arikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Free space optical receiver and free space optical receiving method
- Patent number 10,313,011
- Issue date Jun 4, 2019
- NEC Corporation
- Seigo Takahashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Free space optical receiver and free space optical receiving method
- Patent number 10,256,904
- Issue date Apr 9, 2019
- NEC Corporation
- Seigo Takahashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Free space optical receiver and free space optical receiving method
- Patent number 10,122,447
- Issue date Nov 6, 2018
- NEC Corporation
- Seigo Takahashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical spatial-division multiplexed transmission system and transm...
- Patent number 9,729,229
- Issue date Aug 8, 2017
- NEC Corporation
- Emmanuel Le Taillandier De Gabory
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for transmitting optical signal over multiple cha...
- Patent number 9,660,762
- Issue date May 23, 2017
- NEC Corporation
- Emmanuel Le Taillandier De Gabory
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical signal transmission systems, transmitters, receivers, and o...
- Patent number 8,768,168
- Issue date Jul 1, 2014
- NEC Corporation
- Toshiharu Ito
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical communication system, optical communication method and opti...
- Patent number 8,472,812
- Issue date Jun 25, 2013
- NEC Corporation
- Satomi Shioiri
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Light receiver, optical communication system and method
- Patent number 8,320,779
- Issue date Nov 27, 2012
- NEC Corporation
- Kiyoshi Fukuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical communication transmission system and method for checking p...
- Patent number 8,280,243
- Issue date Oct 2, 2012
- NEC Corporation
- Toshiharu Ito
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission system and optical transmission control method
- Patent number 8,175,455
- Issue date May 8, 2012
- NEC Corporation
- Hitoshi Takeshita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Light receiving apparatus using DQPSK demodulation method, and DQPS...
- Patent number 8,165,477
- Issue date Apr 24, 2012
- NEC Corporation
- Satomi Shioiri
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Coherent optical receiver and adjustment method thereof
- Patent number 8,078,064
- Issue date Dec 13, 2011
- NEC Corporation
- Toshiharu Ito
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Module for amplifying signal light with remote excitation-light and...
- Patent number 7,158,698
- Issue date Jan 2, 2007
- NEC Corporation
- Toshiharu Ito
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Cross phase modulation suppressing device in wavelength division mu...
- Patent number 6,920,261
- Issue date Jul 19, 2005
- NEC Corporation
- Yoshihisa Inada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmitter and optical transmission system
- Patent number 6,650,846
- Issue date Nov 18, 2003
- NEC Corporation
- Toshiharu Ito
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Dispersion compensation apparatus
- Patent number 6,332,054
- Issue date Dec 18, 2001
- NEC Corporation
- Toshiharu Ito
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
SATELLITE PLATFORM
- Publication number 20240195488
- Publication date Jun 13, 2024
- NEC Corporation
- Junichi HIGUCHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION SYSTEM, TERMINAL, CONTROL METHOD, AND NONTRANSITORY C...
- Publication number 20220256398
- Publication date Aug 11, 2022
- NEC Corporation
- Yohei HASEGAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RECEIVING OPTICAL SYSTEM CONTROL DEVICE AND RECEIVING OPTICAL SYSTE...
- Publication number 20220224418
- Publication date Jul 14, 2022
- NEC Corporation
- Manabu ARIKAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RECEPTION DEVICE FOR OPTICAL SPACE COMMUNICATION, OPTICAL SPACE COM...
- Publication number 20220149940
- Publication date May 12, 2022
- NEC Corporation
- Manabu ARIKAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL SPACE COMMUNICATION SYSTEM, OPTICAL RECEPTION DEVICE, OPTIC...
- Publication number 20210159976
- Publication date May 27, 2021
- NEC Corporation
- Manabu ARIKAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SIGNAL PROCESSING DEVICE AND SIGNAL PROCESSING METHOD
- Publication number 20210083779
- Publication date Mar 18, 2021
- NEC Corporation
- Manabu ARIKAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
FREE-SPACE OPTICAL COMMUNICATION RECEIVING DEVICE AND METHOD OF CON...
- Publication number 20200304213
- Publication date Sep 24, 2020
- NEC Corporation
- Kohei HOSOKAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SIGNAL COMBINING DEVICE AND SIGNAL COMBINING METHOD
- Publication number 20200044737
- Publication date Feb 6, 2020
- NEC Corporation
- Manabu ARIKAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION APPARATUS AND COMMUNICATION METHOD
- Publication number 20200015099
- Publication date Jan 9, 2020
- NEC Corporation
- Yasunori FUTATSUGI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL SPACE COMMUNICATION DEVICE AND DELAY ADJUSTMENT METHOD
- Publication number 20190312639
- Publication date Oct 10, 2019
- NEC Corporation
- Yoshimasa ONO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DIGITAL SIGNAL PROCESSING CIRCUIT AND OPTICAL SPACE COMMUNICATION S...
- Publication number 20190013875
- Publication date Jan 10, 2019
- NEC Corporation
- Manabu ARIKAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RECEIVED SIGNAL PROCESSOR AND METHOD FOR PROCESSING RECEIVED SIGNAL
- Publication number 20180323904
- Publication date Nov 8, 2018
- NEC Corporation
- Kohei HOSOKAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
FREE SPACE OPTICAL TRANSMITTER AND FREE SPACE OPTICAL COMMUNICATION...
- Publication number 20180234180
- Publication date Aug 16, 2018
- NEC Corporation
- Seigo TAKAHASHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL COMMUNICATION DEVICE, OPTICAL COMMUNICATION SYSTEM, AND OPT...
- Publication number 20180212681
- Publication date Jul 26, 2018
- NEC Corporation
- Akihiro TANAKA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION SYSTEM, OPTICAL RECEIVER, AND METHOD FOR DETEC...
- Publication number 20180069625
- Publication date Mar 8, 2018
- NEC Corporation
- Manabu Arikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
FREE SPACE OPTICAL RECEIVER AND FREE SPACE OPTICAL RECEIVING METHOD
- Publication number 20170264365
- Publication date Sep 14, 2017
- NEC Corporation
- Seigo TAKAHASHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
FREE SPACE OPTICAL RECEIVER AND FREE SPACE OPTICAL RECEIVING METHOD
- Publication number 20170207850
- Publication date Jul 20, 2017
- NEC Corporation
- Seigo TAKAHASHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
FREE SPACE OPTICAL RECEIVER AND FREE SPACE OPTICAL RECEIVING METHOD
- Publication number 20170070289
- Publication date Mar 9, 2017
- NEC Corporation
- Seigo TAKAHASHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL SPATIAL-DIVISION MULTIPLEXED TRANSMISSION SYSTEM AND TRANSM...
- Publication number 20160056889
- Publication date Feb 25, 2016
- Emmanuel LE TAILLANDIER DE GABORY
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION SYSTEM, OPTICAL TRANSMITTER, OPTICAL RECEIVER,...
- Publication number 20160028480
- Publication date Jan 28, 2016
- NEC CRPORATION
- Toshiharu ITO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEM AND METHOD FOR TRANSMITTING OPTICAL SIGNAL OVER MULTIPLE CHA...
- Publication number 20150229438
- Publication date Aug 13, 2015
- Emmanuel Le Taillandier De Gabory
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MULTIPLEXED OPTICAL TRANSMISSION LINE, OPTICAL TRANSMISSION SYSTEM,...
- Publication number 20150078744
- Publication date Mar 19, 2015
- NEC Corporation
- Toshiharu Ito
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL SIGNAL TRANSMISSION SYSTEMS, TRANSMITTERS, RECEIVERS, AND O...
- Publication number 20110150465
- Publication date Jun 23, 2011
- Toshiharu Ito
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL COMMUNICATION TRANSMISSION SYSTEM AND METHOD FOR CHECKING P...
- Publication number 20110069950
- Publication date Mar 24, 2011
- Toshiharu Ito
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL COMMUNICATION SYSTEM, OPTICAL COMMUNICATION METHOD AND OPTI...
- Publication number 20100329690
- Publication date Dec 30, 2010
- NEC Corporation
- Satomi Shioiri
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION SYSTEM AND OPTICAL TRANSMISSION CONTROL METHOD
- Publication number 20100021169
- Publication date Jan 28, 2010
- Hitoshi Takeshita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Light Receiver, Optical Communication System and Method
- Publication number 20090290876
- Publication date Nov 26, 2009
- NEC Corporation
- Kiyoshi Fukuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COHERENT OPTICAL RECEIVER AND ADJUSTMENT METHOD THEREOF
- Publication number 20090226189
- Publication date Sep 10, 2009
- NEC Corporation
- Toshiharu Ito
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LIGHT RECEIVING APPARATUS USING DQPSK DEMODULATION METHOD, AND DQPS...
- Publication number 20080152359
- Publication date Jun 26, 2008
- NEC CORPORATION
- Satomi SHIOIRI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Module for amplifying signal light with remote excitation-light and...
- Publication number 20050206998
- Publication date Sep 22, 2005
- NEC Corporation
- Toshiharu Ito
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Toshiharu Ito

Person

Patents Grantslast 30 patents

Communication system, terminal, control method, and nontransitory c...

Reception device for optical space communication, optical space com...

Receiving optical system control device and receiving optical syste...

Communication apparatus and communication method

Optical space communication system, optical reception device, optic...

Signal processing device and signal processing method

Signal combining device and signal combining method

Free-space optical communication receiving device and method of con...

Optical space communication device and delay adjustment method

Received signal processor and method for processing received signal

Free space optical transmitter and free space optical communication...

Digital signal processing circuit and optical space communication s...

Optical communication device, optical communication system, and opt...

Optical transmission system, optical receiver, and method for detec...

Free space optical receiver and free space optical receiving method

Free space optical receiver and free space optical receiving method

Free space optical receiver and free space optical receiving method

Optical spatial-division multiplexed transmission system and transm...

System and method for transmitting optical signal over multiple cha...

Optical signal transmission systems, transmitters, receivers, and o...

Optical communication system, optical communication method and opti...

Light receiver, optical communication system and method

Optical communication transmission system and method for checking p...

Optical transmission system and optical transmission control method

Light receiving apparatus using DQPSK demodulation method, and DQPS...

Coherent optical receiver and adjustment method thereof

Module for amplifying signal light with remote excitation-light and...

Cross phase modulation suppressing device in wavelength division mu...

Optical transmitter and optical transmission system

Dispersion compensation apparatus

Patents Applicationslast 30 patents

SATELLITE PLATFORM

COMMUNICATION SYSTEM, TERMINAL, CONTROL METHOD, AND NONTRANSITORY C...

RECEIVING OPTICAL SYSTEM CONTROL DEVICE AND RECEIVING OPTICAL SYSTE...

RECEPTION DEVICE FOR OPTICAL SPACE COMMUNICATION, OPTICAL SPACE COM...

OPTICAL SPACE COMMUNICATION SYSTEM, OPTICAL RECEPTION DEVICE, OPTIC...

SIGNAL PROCESSING DEVICE AND SIGNAL PROCESSING METHOD

FREE-SPACE OPTICAL COMMUNICATION RECEIVING DEVICE AND METHOD OF CON...

SIGNAL COMBINING DEVICE AND SIGNAL COMBINING METHOD

COMMUNICATION APPARATUS AND COMMUNICATION METHOD

OPTICAL SPACE COMMUNICATION DEVICE AND DELAY ADJUSTMENT METHOD

DIGITAL SIGNAL PROCESSING CIRCUIT AND OPTICAL SPACE COMMUNICATION S...

RECEIVED SIGNAL PROCESSOR AND METHOD FOR PROCESSING RECEIVED SIGNAL

FREE SPACE OPTICAL TRANSMITTER AND FREE SPACE OPTICAL COMMUNICATION...

OPTICAL COMMUNICATION DEVICE, OPTICAL COMMUNICATION SYSTEM, AND OPT...

OPTICAL TRANSMISSION SYSTEM, OPTICAL RECEIVER, AND METHOD FOR DETEC...

FREE SPACE OPTICAL RECEIVER AND FREE SPACE OPTICAL RECEIVING METHOD

FREE SPACE OPTICAL RECEIVER AND FREE SPACE OPTICAL RECEIVING METHOD

FREE SPACE OPTICAL RECEIVER AND FREE SPACE OPTICAL RECEIVING METHOD

OPTICAL SPATIAL-DIVISION MULTIPLEXED TRANSMISSION SYSTEM AND TRANSM...

OPTICAL TRANSMISSION SYSTEM, OPTICAL TRANSMITTER, OPTICAL RECEIVER,...

SYSTEM AND METHOD FOR TRANSMITTING OPTICAL SIGNAL OVER MULTIPLE CHA...

MULTIPLEXED OPTICAL TRANSMISSION LINE, OPTICAL TRANSMISSION SYSTEM,...

OPTICAL SIGNAL TRANSMISSION SYSTEMS, TRANSMITTERS, RECEIVERS, AND O...

OPTICAL COMMUNICATION TRANSMISSION SYSTEM AND METHOD FOR CHECKING P...

OPTICAL COMMUNICATION SYSTEM, OPTICAL COMMUNICATION METHOD AND OPTI...

OPTICAL TRANSMISSION SYSTEM AND OPTICAL TRANSMISSION CONTROL METHOD

Light Receiver, Optical Communication System and Method

COHERENT OPTICAL RECEIVER AND ADJUSTMENT METHOD THEREOF

LIGHT RECEIVING APPARATUS USING DQPSK DEMODULATION METHOD, AND DQPS...

Module for amplifying signal light with remote excitation-light and...