Inventor
YOSHINAGA TADAHIKO
JP36 patents
⚠️ This page may combine multiple inventors who share the name “YOSHINAGA TADAHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IDEMITSU KOSAN CO
8 patentsUS8044390B2Oct 25, 2011
Material for organic electroluminescent device, organic electroluminescent device, and organic electroluminescent display
IDEMITSU KOSAN CO76 citations98
US10283717B2May 7, 2019
Organic electroluminescent device using aryl amine derivative containing heterocycle
IDEMITSU KOSAN CO5 citations84
US9960360B2May 1, 2018
Organic electroluminescent device using aryl amine derivative containing heterocycle
IDEMITSU KOSAN CO4 citations84
US11152574B2Oct 19, 2021
Organic electroluminescent device using aryl amine derivative containing heterocycle
IDEMITSU KOSAN CO1 citations73
US11094888B2Aug 17, 2021
Organic electroluminescent device using aryl amine derivative containing heterocycle
IDEMITSU KOSAN CO2 citations73
US11678571B2Jun 13, 2023
Organic electroluminescent device using aryl amine derivative containing heterocycle
IDEMITSU KOSAN CO0 citations62
US10833281B2Nov 10, 2020
Organic electroluminescence composition, material for organic electroluminescence element, solution of material for organic electroluminescence element, and organic electroluminescence element
IDEMITSU KOSAN CO1 citations62
US9112167B2Aug 18, 2015
Aromatic amine derivatives and organic electroluminescent device using same
IDEMITSU KOSAN CO0 citations52
SONY CORP
8 patentsUS8648363B2Feb 11, 2014
Organic EL display unit, method of manufacturing the same, and solution used in method
SONY CORP7 citations84
US9650519B2May 16, 2017
Ink composition, organic electroluminescence element, and electronic apparatus
SONY CORP4 citations73
US9219087B2Dec 22, 2015
Display, display drive method, method of manufacturing display, and electronic apparatus
SONY CORP6 citations73
US9647220B2May 9, 2017
Organic multicolor light-emitting apparatus
SONY CORP5 citations72
US9054331B2Jun 9, 2015
Organic EL display and method of manufacturing the same
SONY CORP3 citations62
US8623679B2Jan 7, 2014
Organic EL display unit, method of manufacturing the same, and solution used in method
SONY CORP2 citations62
US7674533B2Mar 9, 2010
Dibenzoanthracene derivatives, organic electroluminescent devices, and display apparatus
SONY CORP5 citations57
US10444559B2Oct 15, 2019
Display unit and electronic apparatus
SONY CORP0 citations42
MATSUMOTO TOSHIKI
4 patentsUS8405100B2Mar 26, 2013
Organic EL display unit, method of manufacturing the same, and solution used in method
MATSUMOTO TOSHIKI15 citations92
US10276637B2Apr 30, 2019
Organic EL multi-color light-emitting device
MATSUMOTO TOSHIKI7 citations84
US9860960B2Jan 2, 2018
Organic EL display device and method for production of the same
MATSUMOTO TOSHIKI0 citations41
US9076740B2Jul 7, 2015
Organic electroluminescence display and method of manufacturing the same
MATSUMOTO TOSHIKI0 citations41
YOSHINAGA TADAHIKO
4 patentsUS9024521B2May 5, 2015
Organic EL display device and method of manufacturing the same
YOSHINAGA TADAHIKO8 citations83
US8823255B2Sep 2, 2014
Organic el display device and method of manufacturing the same
YOSHINAGA TADAHIKO9 citations83
US8569747B2Oct 29, 2013
Organic electroluminescence element and display device
YOSHINAGA TADAHIKO3 citations62
US9105847B2Aug 11, 2015
Organic EL display and method of manufacturing the same
YOSHINAGA TADAHIKO2 citations61
JOLED INC
3 patentsUS9978948B2May 22, 2018
Ink composition, organic electroluminescence element, and electronic apparatus
JOLED INC1 citations52
US9755149B2Sep 5, 2017
Organic EL display unit, method of manufacturing the same, ink, and electronic apparatus
JOLED INC0 citations52
US9954169B2Apr 24, 2018
Organic EL display and method of manufacturing the same
JOLED INC0 citations51