Inventor
YOSHIMATSU RYO
JP14 patents
⚠️ This page may combine multiple inventors who share the name “YOSHIMATSU RYO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NEC CORP
4 patentsUS7375459B2May 20, 2008
Vacuum ultraviolet excited green phosphor material and light-emitting device using the same
NEC CORP2 citations62
US7282850B2Oct 16, 2007
Vacuum ultraviolet-excited ultraviolet phosphor and light-emitting device that uses this phosphor
NEC CORP2 citations62
US7176500B2Feb 13, 2007
Red fluorescent material, white light emitting diode using red fluorescent material, and lighting system using white light emitting diode
NEC CORP2 citations62
US7524476B2Apr 28, 2009
Vacuum ultraviolet excited green phosphor material and light-emitting device using the same
NEC CORP0 citations51
DENKA COMPANY LTD
3 patentsUS11279876B2Mar 22, 2022
Phosphor and light-emitting device using same
DENKA COMPANY LTD2 citations68
US11034623B2Jun 15, 2021
Thermal conductive member and heat dissipation structure including the same
DENKA COMPANY LTD1 citations58
US10093854B2Oct 9, 2018
Phosphor and light emitting device
DENKA COMPANY LTD1 citations50
HIROSAKI NAOTO
3 patentsUS9624428B2Apr 18, 2017
Phosphor, production method for the same, and light-emitting device
HIROSAKI NAOTO0 citations51
US9512979B2Dec 6, 2016
Phosphor, production method for the same, and light-emitting device
HIROSAKI NAOTO1 citations51
US9512358B2Dec 6, 2016
Phosphor, production method for the same, and light-emitting device
HIROSAKI NAOTO0 citations51
SAMSUNG ELECTRONICS CO LTD
2 patentsUS9550939B2Jan 24, 2017
Red emitting nitride fluorescent material and white light emitting device using the same
SAMSUNG ELECTRONICS CO LTD3 citations71
US8894884B2Nov 25, 2014
Red emitting nitride fluorescent material and white light emitting device using the same
SAMSUNG ELECTRONICS CO LTD3 citations61