Inventor
OYAMA TOMOFUMI
JP17 patents
Patents
17 patentsUS10439732B2Oct 8, 2019
Receiving device and phase-error compensation method
FUJITSU LTD5 citations73
US9667347B2May 30, 2017
Optical transmitter, optical receiver, method of compensating non-linear distortion, and communication apparatus
FUJITSU LTD2 citations73
US9143260B2Sep 22, 2015
Optical transmission system, method of adjusting optical transmission device, and non-transitory computer-readable medium
FUJITSU LTD4 citations73
US10567077B2Feb 18, 2020
Imbalance compensation device, transmission device, and imbalance compensation method
FUJITSU LTD2 citations72
US9634764B2Apr 25, 2017
Estimating device and method for estimating
FUJITSU LTD2 citations72
US10841035B2Nov 17, 2020
Transmission device, control device, and transmission method
FUJITSU LTD2 citations71
US10698228B2Jun 30, 2020
Transmission device, reception device, and transmission method
FUJITSU LTD1 citations62
US10498459B2Dec 3, 2019
Optical transmitter and skew compensation method
FUJITSU LTD1 citations62
US9363014B2Jun 7, 2016
Non-linear distortion compensator, method of compensating non-linear distortion, and optical receiver
FUJITSU LTD2 citations62
US9654224B2May 16, 2017
Optical transmission device, nonlinear distortion compensation method, and nonlinear distortion pre-equalization method
FUJITSU LTD1 citations52
US10425166B2Sep 24, 2019
Optical transmitter, optical transmission apparatus, and optical modulation method
FUJITSU LTD0 citations51
US10873410B2Dec 22, 2020
Reception device and method of detecting supervisory control signal
FUJITSU LTD0 citations42
US10708035B2Jul 7, 2020
Signal processing device and signal processing method
FUJITSU LTD0 citations41
US10277328B2Apr 30, 2019
Signal processing device used in optical receiver and signal processing method
FUJITSU LTD0 citations41
US10219049B2Feb 26, 2019
Optical reception apparatus, optical transmission apparatus, optical communication system, and skew adjusting method
FUJITSU LTD0 citations41
US10090927B2Oct 2, 2018
Digital signal processing circuit and signal processing device that includes a plurality of digital signal processing circuits
FUJITSU LTD0 citations41
US9094121B2Jul 28, 2015
Optical transmission apparatus
FUJITSU LTD0 citations41