Inventor
USHIKUBO TAKAHIRO
JP95 patents
⚠️ This page may combine multiple inventors who share the name “USHIKUBO TAKAHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEMICONDUCTOR ENERGY LAB
31 patentsUS9059430B2Jun 16, 2015
Light-emitting element, light-emitting device, electronic device, and lighting device
SEMICONDUCTOR ENERGY LAB40 citations98
US7985974B2Jul 26, 2011
Light-emitting element, light-emitting device, lighting device, and electronic device
SEMICONDUCTOR ENERGY LAB35 citations96
US10556864B2Feb 11, 2020
Carbazole derivative, and light-emitting element, light-emitting device, and electronic device using the carbazole derivative
SEMICONDUCTOR ENERGY LAB20 citations94
US10062867B2Aug 28, 2018
Light-emitting element, light-emitting device, electronic device, and lighting device
SEMICONDUCTOR ENERGY LAB28 citations94
US9590208B2Mar 7, 2017
Light-emitting element, light-emitting device, electronic device, and lighting device
SEMICONDUCTOR ENERGY LAB28 citations94
US9391289B2Jul 12, 2016
Light-emitting device, electronic device and light device each comprising light-emitting layer with mixed organic compounds capable of forming an exciplex
SEMICONDUCTOR ENERGY LAB26 citations94
US9935158B2Apr 3, 2018
Light-emitting device and display device
SEMICONDUCTOR ENERGY LAB13 citations93
US9698365B2Jul 4, 2017
Light-emitting device, electronic device and light device each comprising light-emitting layer with mixed organic compounds capable of forming an exciplex
SEMICONDUCTOR ENERGY LAB17 citations93
US9472601B2Oct 18, 2016
Light-emitting device and display device
SEMICONDUCTOR ENERGY LAB15 citations93
US9461092B2Oct 4, 2016
Light-emitting device and display device
SEMICONDUCTOR ENERGY LAB17 citations93
US9263693B2Feb 16, 2016
Light-emitting element, light-emitting device, electronic device, and lighting device
SEMICONDUCTOR ENERGY LAB23 citations93
US8581266B2Nov 12, 2013
Light-emitting element, light-emitting device, lighting device, and electronic device
SEMICONDUCTOR ENERGY LAB16 citations93
US8040047B2Oct 18, 2011
Light-emitting device
SEMICONDUCTOR ENERGY LAB28 citations93
US7919783B2Apr 5, 2011
Light-emitting element and light-emitting device employing the same
SEMICONDUCTOR ENERGY LAB20 citations93
US11031439B2Jun 8, 2021
Light-emitting device and display device
SEMICONDUCTOR ENERGY LAB4 citations84
US10804471B2Oct 13, 2020
Triarylamine derivative, light-emitting substance, light-emitting element, light-emitting device, and electronic device
SEMICONDUCTOR ENERGY LAB8 citations84
US10741619B2Aug 11, 2020
Light-emitting device and display device
SEMICONDUCTOR ENERGY LAB7 citations84
US10461134B2Oct 29, 2019
Light-emitting device and display device
SEMICONDUCTOR ENERGY LAB9 citations84
US10424755B2Sep 24, 2019
Light-emitting element, light-emitting device, electronic device, and lighting device each comprising light-emitting layer with mixed organic compounds capable of forming exciplex
SEMICONDUCTOR ENERGY LAB5 citations84
US10084156B2Sep 25, 2018
Light-emitting element, light-emitting device, and display device
SEMICONDUCTOR ENERGY LAB6 citations84
US9985223B2May 29, 2018
Iridium organometallic complexes comprising 4-arylpyrimidines
SEMICONDUCTOR ENERGY LAB8 citations84
US9831435B2Nov 28, 2017
Composite material, light-emitting element, light-emitting device, electronic device, and lighting device
SEMICONDUCTOR ENERGY LAB6 citations84
US9540315B2Jan 10, 2017
Triarylamine derivative, light-emitting substance, light-emitting element, light-emitting device, and electronic device
SEMICONDUCTOR ENERGY LAB6 citations84
US9450209B2Sep 20, 2016
Light-emitting element, light-emitting device, and display device
SEMICONDUCTOR ENERGY LAB12 citations84
US9184398B2Nov 10, 2015
Light-emitting elements comprising iridium organometallic complexes comprising 4-arylpyrimidines
SEMICONDUCTOR ENERGY LAB11 citations84
US8952394B2Feb 10, 2015
Light-emitting element, light-emitting device, lighting device, and electronic device
SEMICONDUCTOR ENERGY LAB7 citations84
US8362466B2Jan 29, 2013
Light-emitting element, light-emitting device, and electronic device
SEMICONDUCTOR ENERGY LAB8 citations84
US10121972B2Nov 6, 2018
Composite material, light-emitting element, light-emitting device, electronic device, and lighting device
SEMICONDUCTOR ENERGY LAB3 citations73
US10115926B2Oct 30, 2018
Light-emitting element, lighting device, light-emitting device, and electronic device
SEMICONDUCTOR ENERGY LAB2 citations73
US9685623B2Jun 20, 2017
Light-emitting element, lighting device, light-emitting device, and electronic device
SEMICONDUCTOR ENERGY LAB2 citations73
US9203045B2Dec 1, 2015
Light-emitting element, light-emitting device, electronic device, and lighting device
SEMICONDUCTOR ENERGY LAB4 citations73
SEO SATOSHI
6 patentsUS9006755B2Apr 14, 2015
Light-emitting device and display device
SEO SATOSHI57 citations98
US8957442B2Feb 17, 2015
Light-emitting device and display device
SEO SATOSHI53 citations98
US9252380B2Feb 2, 2016
Light-emitting device and lighting device
SEO SATOSHI40 citations94
US9000458B2Apr 7, 2015
Light-emitting element, light-emitting device, and display device
SEO SATOSHI28 citations94
US9130184B2Sep 8, 2015
Light-emitting device, electronic device, and lighting device utilizing phosphorescence
SEO SATOSHI26 citations93
US8564190B2Oct 22, 2013
Light-emitting element and lighting device
SEO SATOSHI24 citations93
USHIKUBO TAKAHIRO
5 patentsUS8436346B2May 7, 2013
Light-emitting element and light-emitting device employing the same
USHIKUBO TAKAHIRO49 citations98
US8664849B2Mar 4, 2014
Light-emitting element, lighting device, light-emitting device, and electronic device
USHIKUBO TAKAHIRO11 citations92
US8283856B2Oct 9, 2012
Light-emitting element, lighting device, light-emitting device, and electronic device
USHIKUBO TAKAHIRO19 citations92
US8251765B2Aug 28, 2012
Light-emitting device
USHIKUBO TAKAHIRO17 citations92
US8530060B2Sep 10, 2013
Light-emitting element including first layer, second layer, third layer and fourth layer
USHIKUBO TAKAHIRO9 citations84
NOWATARI HIROMI
3 patentsUS8502202B2Aug 6, 2013
Light-emitting element, light-emitting device, electronic device, and lighting device
NOWATARI HIROMI16 citations92
US8431940B2Apr 30, 2013
Light-emitting element, light-emitting device, lighting device, and electronic device
NOWATARI HIROMI11 citations92
US8207540B2Jun 26, 2012
Light-emitting element, light-emitting device, lighting device, and electronic device
NOWATARI HIROMI12 citations92
OSAKA HARUE
2 patentsUS8182933B2May 22, 2012
Triarylamine derivative, light-emitting substance, light-emitting element, light-emitting device, and electronic device
OSAKA HARUE14 citations93
US8940416B2Jan 27, 2015
Triarylamine derivative, light-emitting substance, light-emitting element, light-emitting device, and electronic device
OSAKA HARUE8 citations84
INOUE HIDEKO
1 patentKADOMA HIROSHI
1 patentOGITA KAORI
1 patentShowing the top 50 of 95 patents by PatentIndex Score.