Inventor
TAKASHIMA SUGURU
JP23 patents
⚠️ This page may combine multiple inventors who share the name “TAKASHIMA SUGURU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NICHIA CORP
18 patentsUS7258816B2Aug 21, 2007
Nitride phosphor and method for preparation thereof, and light emitting device
NICHIA CORP125 citations99
US7297293B2Nov 20, 2007
Nitride phosphor and production process thereof, and light emitting device
NICHIA CORP44 citations96
US7964113B2Jun 21, 2011
Nitride phosphor and production process thereof, and light emitting device
NICHIA CORP15 citations92
US7794624B2Sep 14, 2010
Oxynitride phosphor and production process thereof, and light-emitting device using oxynitride phosphor
NICHIA CORP17 citations92
US7723740B2May 25, 2010
Light emitting device
NICHIA CORP24 citations92
US7658866B2Feb 9, 2010
Fluorescent material and light-emitting device
NICHIA CORP25 citations92
US7597823B2Oct 6, 2009
Nitride phosphor and production process thereof, and light emitting device
NICHIA CORP25 citations92
US7556744B2Jul 7, 2009
Nitride phosphor and production process thereof, and light emitting device
NICHIA CORP13 citations92
US7488432B2Feb 10, 2009
Fluorescent material and light-emitting device
NICHIA CORP18 citations92
US7825578B2Nov 2, 2010
Yellow light emitting device with high luminance
NICHIA CORP52 citations91
US7854859B2Dec 21, 2010
Nitride phosphor, method for producing this nitride phosphor, and light emitting device that uses this nitride phosphor
NICHIA CORP12 citations84
US7951307B2May 31, 2011
Oxynitride phosphor and production process thereof, and light-emitting device using oxynitride phosphor
NICHIA CORP5 citations73
US7951308B2May 31, 2011
Oxynitride phosphor and production process thereof, and light-emitting device using oxynitride phosphor
NICHIA CORP6 citations73
US7951306B2May 31, 2011
Oxynitride phosphor and production process thereof, and light-emitting device using oxynitride phosphor
NICHIA CORP3 citations62
US10214688B2Feb 26, 2019
Method for producing fluoride fluorescent material
NICHIA CORP0 citations52
US9564558B2Feb 7, 2017
Fluoride fluorescent material and light emitting device using the same
NICHIA CORP1 citations52
US8384092B2Feb 26, 2013
Light emitting device
NICHIA CORP1 citations51
US8044569B2Oct 25, 2011
Light emitting device
NICHIA CORP1 citations51