Tomofumi Oyama

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Reception device and method of detecting supervisory control signal
- Patent number 10,873,410
- Issue date Dec 22, 2020
- Fujitsu Limited
- Yi Ge
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmission device, control device, and transmission method
- Patent number 10,841,035
- Issue date Nov 17, 2020
- Fujitsu Limited
- Tomofumi Oyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal processing device and signal processing method
- Patent number 10,708,035
- Issue date Jul 7, 2020
- Fujitsu Limited
- Tomofumi Oyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmission device, reception device, and transmission method
- Patent number 10,698,228
- Issue date Jun 30, 2020
- Fujitsu Limited
- Tomofumi Oyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Imbalance compensation device, transmission device, and imbalance c...
- Patent number 10,567,077
- Issue date Feb 18, 2020
- Fujitsu Limited
- Tomofumi Oyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmitter and skew compensation method
- Patent number 10,498,459
- Issue date Dec 3, 2019
- Fujitsu Limited
- Yoshitaka Nomura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Receiving device and phase-error compensation method
- Patent number 10,439,732
- Issue date Oct 8, 2019
- Fujitsu Limited
- Tomofumi Oyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmitter, optical transmission apparatus, and optical mo...
- Patent number 10,425,166
- Issue date Sep 24, 2019
- Fujitsu Limited
- Tomohiro Yamauchi
- G02 - OPTICS
Information Patent Grant
Signal processing device used in optical receiver and signal proces...
- Patent number 10,277,328
- Issue date Apr 30, 2019
- Fujitsu Limited
- Tomofumi Oyama
- G02 - OPTICS
Information Patent Grant
Optical reception apparatus, optical transmission apparatus, optica...
- Patent number 10,219,049
- Issue date Feb 26, 2019
- Fujitsu Limited
- Yoshitaka Nomura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital signal processing circuit and signal processing device that...
- Patent number 10,090,927
- Issue date Oct 2, 2018
- Fujitsu Limited
- Hisao Nakashima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmitter, optical receiver, method of compensating non-l...
- Patent number 9,667,347
- Issue date May 30, 2017
- Fujitsu Limited
- Tomofumi Oyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission device, nonlinear distortion compensation meth...
- Patent number 9,654,224
- Issue date May 16, 2017
- Fujitsu Limited
- Tomofumi Oyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Estimating device and method for estimating
- Patent number 9,634,764
- Issue date Apr 25, 2017
- Fujitsu Limited
- Tomofumi Oyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Non-linear distortion compensator, method of compensating non-linea...
- Patent number 9,363,014
- Issue date Jun 7, 2016
- Fujitsu Limited
- Tomofumi Oyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission system, method of adjusting optical transmissi...
- Patent number 9,143,260
- Issue date Sep 22, 2015
- Fujitsu Limited
- Tomofumi Oyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission apparatus
- Patent number 9,094,121
- Issue date Jul 28, 2015
- Fujistu Limited
- Tomofumi Oyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
TRANSMISSION DEVICE, CONTROL DEVICE, AND TRANSMISSION METHOD
- Publication number 20200228228
- Publication date Jul 16, 2020
- Fujitsu Limited
- Tomofumi Oyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMISSION DEVICE, RECEPTION DEVICE, AND TRANSMISSION METHOD
- Publication number 20190331931
- Publication date Oct 31, 2019
- Fujitsu Limited
- Tomofumi Oyama
- G02 - OPTICS
Information Patent Application
SIGNAL PROCESSING DEVICE AND SIGNAL PROCESSING METHOD
- Publication number 20190215145
- Publication date Jul 11, 2019
- Fujitsu Limited
- Tomofumi Oyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMITTER, OPTICAL TRANSMISSION APPARATUS, AND OPTICAL MO...
- Publication number 20190020418
- Publication date Jan 17, 2019
- Fujitsu Limited
- Tomohiro YAMAUCHI
- G02 - OPTICS
Information Patent Application
OPTICAL RECEPTION APPARATUS, OPTICAL TRANSMISSION APPARATUS, OPTICA...
- Publication number 20180376226
- Publication date Dec 27, 2018
- Fujitsu Limited
- Yoshitaka Nomura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMITTER AND SKEW COMPENSATION METHOD
- Publication number 20180367220
- Publication date Dec 20, 2018
- Fujitsu Limited
- Yoshitaka Nomura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMBALANCE COMPENSATION DEVICE, TRANSMISSION DEVICE, RECEPTION DEVIC...
- Publication number 20180287699
- Publication date Oct 4, 2018
- Fujitsu Limited
- Tomofumi OYAMA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RECEPTION DEVICE AND METHOD OF DETECTING SUPERVISORY CONTROL SIGNAL
- Publication number 20180248643
- Publication date Aug 30, 2018
- Fujitsu Limited
- Yi Ge
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION DEVICE, COMMUNICATION SYSTEM AND COMMUNICATION METHOD...
- Publication number 20180175933
- Publication date Jun 21, 2018
- Fujitsu Limited
- Yoshitaka Nomura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RECEIVING DEVICE AND PHASE-ERROR COMPENSATION METHOD
- Publication number 20180076903
- Publication date Mar 15, 2018
- Fujitsu Limited
- Tomofumi Oyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SIGNAL PROCESSING DEVICE USED IN OPTICAL RECEIVER AND SIGNAL PROCES...
- Publication number 20180034552
- Publication date Feb 1, 2018
- Fujitsu Limited
- Tomofumi Oyama
- G02 - OPTICS
Information Patent Application
DIGITAL SIGNAL PROCESSING CIRCUIT AND SIGNAL PROCESSING DEVICE THAT...
- Publication number 20170310394
- Publication date Oct 26, 2017
- Fujitsu Limited
- Hisao Nakashima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ESTIMATING DEVICE AND METHOD FOR ESTIMATING
- Publication number 20160226582
- Publication date Aug 4, 2016
- Fujitsu Limited
- Tomofumi Oyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION DEVICE, NONLINEAR DISTORTION COMPENSATION METH...
- Publication number 20160065312
- Publication date Mar 3, 2016
- Fujitsu Limited
- Tomofumi Oyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
NON-LINEAR DISTORTION COMPENSATOR, METHOD OF COMPENSATING NON-LINEA...
- Publication number 20150071656
- Publication date Mar 12, 2015
- Fujitsu Limited
- Tomofumi Oyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
NON-LINEAR DISTORTION COMPENSATOR, METHOD OF COMPENSATING NON-LINEA...
- Publication number 20150071630
- Publication date Mar 12, 2015
- Fujitsu Limited
- Tomofumi Oyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION SYSTEM, METHOD OF ADJUSTING OPTICAL TRANSMISSI...
- Publication number 20140099110
- Publication date Apr 10, 2014
- Fujitsu Limited
- Tomofumi Oyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION APPARATUS
- Publication number 20130259480
- Publication date Oct 3, 2013
- Fujitsu Limited
- Tomofumi Oyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Tomofumi Oyama

Person

Patents Grantslast 30 patents

Reception device and method of detecting supervisory control signal

Transmission device, control device, and transmission method

Signal processing device and signal processing method

Transmission device, reception device, and transmission method

Imbalance compensation device, transmission device, and imbalance c...

Optical transmitter and skew compensation method

Receiving device and phase-error compensation method

Optical transmitter, optical transmission apparatus, and optical mo...

Signal processing device used in optical receiver and signal proces...

Optical reception apparatus, optical transmission apparatus, optica...

Digital signal processing circuit and signal processing device that...

Optical transmitter, optical receiver, method of compensating non-l...

Optical transmission device, nonlinear distortion compensation meth...

Estimating device and method for estimating

Non-linear distortion compensator, method of compensating non-linea...

Optical transmission system, method of adjusting optical transmissi...

Optical transmission apparatus

Patents Applicationslast 30 patents

TRANSMISSION DEVICE, CONTROL DEVICE, AND TRANSMISSION METHOD

TRANSMISSION DEVICE, RECEPTION DEVICE, AND TRANSMISSION METHOD

SIGNAL PROCESSING DEVICE AND SIGNAL PROCESSING METHOD

OPTICAL TRANSMITTER, OPTICAL TRANSMISSION APPARATUS, AND OPTICAL MO...

OPTICAL RECEPTION APPARATUS, OPTICAL TRANSMISSION APPARATUS, OPTICA...

OPTICAL TRANSMITTER AND SKEW COMPENSATION METHOD

IMBALANCE COMPENSATION DEVICE, TRANSMISSION DEVICE, RECEPTION DEVIC...

RECEPTION DEVICE AND METHOD OF DETECTING SUPERVISORY CONTROL SIGNAL

COMMUNICATION DEVICE, COMMUNICATION SYSTEM AND COMMUNICATION METHOD...

RECEIVING DEVICE AND PHASE-ERROR COMPENSATION METHOD

SIGNAL PROCESSING DEVICE USED IN OPTICAL RECEIVER AND SIGNAL PROCES...

DIGITAL SIGNAL PROCESSING CIRCUIT AND SIGNAL PROCESSING DEVICE THAT...

ESTIMATING DEVICE AND METHOD FOR ESTIMATING

OPTICAL TRANSMISSION DEVICE, NONLINEAR DISTORTION COMPENSATION METH...

NON-LINEAR DISTORTION COMPENSATOR, METHOD OF COMPENSATING NON-LINEA...

NON-LINEAR DISTORTION COMPENSATOR, METHOD OF COMPENSATING NON-LINEA...

OPTICAL TRANSMISSION SYSTEM, METHOD OF ADJUSTING OPTICAL TRANSMISSI...

OPTICAL TRANSMISSION APPARATUS