Inventor · disambiguated record
Tomoyasu Yoshida
Also filed as: YOSHIDA TOMOYASU
14 granted patents·7 pending applications·22 citations·filing 2001–2020
86Inventor score
Files withSUMITOMO CHEMICAL CO13YOSHIDA TOMOYASU4CAMBRIDGE DISPLAY TECH LTD1FUKUSHIMA DAISUKE1HIBINO HIROAKI1
Top patents by PatentIndex Score
21 records- 0185US9267003B2Polymer compound, composition, and light-emitting device using the sameSUMITOMO CHEMICAL CO·Filed 2013·Granted Feb 23, 2016·7 cites·17 claims
- 0281US9966534B2Polymer and deviceCAMBRIDGE DISPLAY TECH LTD·Filed 2013·Granted May 8, 2018·3 cites·22 claims
- 0377US11424410B2Light emitting deviceSUMITOMO CHEMICAL CO·Filed 2017·Granted Aug 23, 2022·2 cites·9 claims
- 0473US6803465B2Optically active 4-(tert-butoxycarbonyl)piperazine compound, and method for producing the sameSUMITOMO CHEMICAL CO·Filed 2002·Granted Oct 12, 2004·6 cites·17 claims
- 0569US11021568B2Polymer compound and light emitting device using the sameSUMITOMO CHEMICAL CO·Filed 2018·Granted Jun 1, 2021·1 cites·15 claims
- 0666US2020152882A1Light emitting deviceSUMITOMO CHEMICAL CO·Filed 2020·Application pending·0 cites
- 0762US2019221744A1Light emitting deviceSUMITOMO CHEMICAL CO·Filed 2017·Application pending·0 cites
- 0858US2020194695A1Composition, phosphorescent compound, and light emitting deviceSUMITOMO CHEMICAL CO·Filed 2020·Application pending·0 cites
- 0957US6630598B2Process for producing N-acylnitroaniline derivativeSUMITOMO CHEMICAL CO·Filed 2001·Granted Oct 7, 2003·2 cites·21 claims
- 1056US7094914B2Process for producing chromone compoundONO PHARMACEUTICAL CO·Filed 2003·Granted Aug 22, 2006·1 cites·6 claims
- 1153US2019036046A1Composition, phosphorescent compound, and light emitting deviceSUMITOMO CHEMICAL CO·Filed 2017·Application pending·0 cites
- 1251US2006217565A1Process for producing chromone compoundHIBINO HIROAKI·Filed 2006·Application pending·0 cites
- 1347US9741934B2Polymer compound and light emitting device using the sameSUMITOMO CHEMICAL CO·Filed 2014·Granted Aug 22, 2017·0 cites·10 claims
- 1441US10654967B2Polymer compound and light-emitting element using sameSUMITOMO CHEMICAL CO·Filed 2016·Granted May 19, 2020·0 cites·10 claims
- 1540US7511171B2Method for producing carboxylic acid compoundSUMITOMO CHEMICAL CO·Filed 2005·Granted Mar 31, 2009·0 cites·8 claims
- 1639US9837612B2Polymer compound and light-emitting device using sameYOSHIDA TOMOYASU·Filed 2011·Granted Dec 5, 2017·0 cites·24 claims
- 1739US9793486B2Polymer compound and light-emitting element using the sameFUKUSHIMA DAISUKE·Filed 2012·Granted Oct 17, 2017·0 cites·18 claims
- 1836US11271166B2Light emitting device and composition useful for production of same light emitting deviceSUMITOMO CHEMICAL CO·Filed 2017·Granted Mar 8, 2022·0 cites·19 claims
- 1936US2013270486A1Polymer compound and light-emitting device using sameYOSHIDA TOMOYASU·Filed 2011·Application pending·0 cites
- 2033US2012326095A1Polymer compound, method for producing same, and light-emitting element using the polymer compoundYOSHIDA TOMOYASU·Filed 2011·Application pending·0 cites
- 2131US9388101B2Fluoranthene polymer compoundYOSHIDA TOMOYASU·Filed 2011·Granted Jul 12, 2016·0 cites·6 claims
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