Inventor
YUKI MASAHIRO
JP38 patents
⚠️ This page may combine multiple inventors who share the name “YUKI MASAHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
15 patentsUS7817923B2Oct 19, 2010
Optical transmitting apparatus, optical receiving apparatus, and optical communication system comprising them
FUJITSU LTD55 citations98
US7664397B2Feb 16, 2010
Optical network system
FUJITSU LTD13 citations84
US7583895B2Sep 1, 2009
Polarization scrambler, optical add/drop multiplexer, optical route switching apparatus and wavelength division multiplexing optical transmission system
FUJITSU LTD7 citations74
US7242519B2Jul 10, 2007
Raman amplifier and optical transmission system using the same
FUJITSU LTD7 citations74
US10855393B2Dec 1, 2020
Transmitting device and transmission system
FUJITSU LTD3 citations73
US10644823B2May 5, 2020
Optical transfer system, control device, optical transfer method, and transfer device
FUJITSU LTD3 citations73
US9673929B2Jun 6, 2017
Optical transmission apparatus and optical transmission system
FUJITSU LTD4 citations73
US9900089B2Feb 20, 2018
Optical transmission device and method for checking optical connection in optical transmission device
FUJITSU LTD6 citations71
US7778553B2Aug 17, 2010
Optical transmitter
FUJITSU LTD5 citations63
US11228822B2Jan 18, 2022
Transmission system, transmission device, and transmission method
FUJITSU LTD0 citations62
US11184102B2Nov 23, 2021
Apparatus and adding and dropping method
FUJITSU LTD0 citations62
US10904648B2Jan 26, 2021
Transmission system, transmission device, and transmission method
FUJITSU LTD0 citations62
US10530474B2Jan 7, 2020
Optical transmission device and optical signal gain control method
FUJITSU LTD1 citations62
US10461879B2Oct 29, 2019
Device and method for transmitting wavelength division multiplexed optical signal
FUJITSU LTD1 citations60
US9531496B2Dec 27, 2016
Optical transmission device and optical transmission method
FUJITSU LTD0 citations52
YUKI MASAHIRO
7 patentsUS8073343B2Dec 6, 2011
Input signal detection device
YUKI MASAHIRO14 citations83
US9031418B2May 12, 2015
Communication system, measuring apparatus, transmitting apparatus, and measurement method
YUKI MASAHIRO2 citations62
US8086109B2Dec 27, 2011
Polarization multiplexed optical transmitting and receiving apparatus
YUKI MASAHIRO6 citations62
US8705168B2Apr 22, 2014
Signal light monitoring apparatus, optical amplification apparatus and optical reception apparatus, and signal light monitoring method
YUKI MASAHIRO0 citations51
US8693870B2Apr 8, 2014
Control apparatus, polarization multiplexing light modulator, light transmitting apparatus, and method of controlling polarization multiplexing light modulator
YUKI MASAHIRO1 citations51
US8538264B2Sep 17, 2013
Dispersion compensating apparatus, dispersion compensating method, optical receiving apparatus, and optical receiving method
YUKI MASAHIRO0 citations51
US8203781B2Jun 19, 2012
Signal light monitoring apparatus, optical amplification apparatus and optical reception apparatus, and signal light monitoring method
YUKI MASAHIRO0 citations51
DAINIPPON PRINTING CO LTD
7 patentsUS6692879B2Feb 17, 2004
Thermal transfer recording material
DAINIPPON PRINTING CO LTD17 citations80
US6942907B2Sep 13, 2005
Protective layer thermal transfer sheet and printed article with protective layer
DAINIPPON PRINTING CO LTD6 citations72
US7704922B2Apr 27, 2010
Thermal transfer image-receiving sheet
DAINIPPON PRINTING CO LTD2 citations63
US7438959B2Oct 21, 2008
Intermediate transfer recording medium
DAINIPPON PRINTING CO LTD5 citations62
US7691784B2Apr 6, 2010
Receptor layer forming resin for thermal transfer image receptor sheet and thermal transfer image receptor sheet using the same
DAINIPPON PRINTING CO LTD5 citations60
US7642219B2Jan 5, 2010
Thermal transfer sheet
DAINIPPON PRINTING CO LTD1 citations51
US7442670B2Oct 28, 2008
Thermal transfer sheet
DAINIPPON PRINTING CO LTD1 citations51