Inventor
TAKADA ICHINORI
JP40 patents
⚠️ This page may combine multiple inventors who share the name “TAKADA ICHINORI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SAMSUNG DISPLAY CO LTD
32 patentsUS9590186B2Mar 7, 2017
Material for organic electroluminescent device and organic electroluminescent device including the same
SAMSUNG DISPLAY CO LTD15 citations92
US9972787B2May 15, 2018
Material for organic electroluminescent device and organic electroluminescent device using the same
SAMSUNG DISPLAY CO LTD9 citations84
US10923663B2Feb 16, 2021
Monoamine compound and organic electroluminescence device including the same
SAMSUNG DISPLAY CO LTD7 citations83
US10879471B2Dec 29, 2020
Organic electroluminescence device and amine compound for organic electroluminescence device
SAMSUNG DISPLAY CO LTD6 citations83
US11871656B2Jan 9, 2024
Organic electroluminescence device and monoamine compound for organic electroluminescence device
SAMSUNG DISPLAY CO LTD5 citations74
US11805697B2Oct 31, 2023
Organic electroluminescence device and monoamine compound for organic electroluminescence device
SAMSUNG DISPLAY CO LTD4 citations74
US10333075B2Jun 25, 2019
Material for organic electroluminescent device and organic electroluminescent device using the same
SAMSUNG DISPLAY CO LTD4 citations73
US9929355B2Mar 27, 2018
Amine compound and organic electroluminescent device including the same
SAMSUNG DISPLAY CO LTD4 citations73
US11716901B2Aug 1, 2023
Organic electroluminescence device and amine compound for organic electroluminescence device
SAMSUNG DISPLAY CO LTD2 citations72
US11050025B2Jun 29, 2021
Material for organic electroluminescent device and organic electroluminescent device including the same
SAMSUNG DISPLAY CO LTD2 citations72
US10629830B2Apr 21, 2020
Organic electroluminescent device
SAMSUNG DISPLAY CO LTD2 citations71
US12550609B2Feb 10, 2026
Material for organic electroluminescent device and organic electroluminescent device including the same
SAMSUNG DISPLAY CO LTD0 citations62
US12459911B2Nov 4, 2025
Organic electroluminescence device and monoamine compound for organic electroluminescence device
SAMSUNG DISPLAY CO LTD0 citations62
US11374182B2Jun 28, 2022
Organic electroluminescence device and amine compound for organic electroluminescence device
SAMSUNG DISPLAY CO LTD1 citations62
US11101442B2Aug 24, 2021
Organic electroluminescence device and amine compound for organic electroluminescence device
SAMSUNG DISPLAY CO LTD1 citations62
US10937969B2Mar 2, 2021
Material for organic electroluminescent device and organic electroluminescent device using the same
SAMSUNG DISPLAY CO LTD0 citations62
US10930854B2Feb 23, 2021
Monoamine material for organic electroluminescent element, and organic electroluminescent element using same
SAMSUNG DISPLAY CO LTD1 citations62
US11575086B2Feb 7, 2023
Monoamine compound and organic electroluminescence device including the same
SAMSUNG DISPLAY CO LTD0 citations61
US11038111B2Jun 15, 2021
Organic electroluminescence device and monoamine compound for organic electroluminescence device
SAMSUNG DISPLAY CO LTD1 citations61
US9780317B2Oct 3, 2017
Amine derivative, organic luminescent material and organic electroluminescent device using the amine derivative or the organic luminescent material
SAMSUNG DISPLAY CO LTD1 citations60
US12563967B2Feb 24, 2026
Light emitting device and amine compound for light emitting device
SAMSUNG DISPLAY CO LTD0 citations52
US11832512B2Nov 28, 2023
Organic electroluminescence device and monoamine compound for organic electroluminescence device
SAMSUNG DISPLAY CO LTD0 citations52
US10347844B2Jul 9, 2019
Material for organic electroluminescent device and organic electroluminescent device using the same
SAMSUNG DISPLAY CO LTD0 citations52
US10333076B2Jun 25, 2019
Material for organic electroluminescent device and organic electroluminescent device using the same
SAMSUNG DISPLAY CO LTD0 citations52
US10290813B2May 14, 2019
Material for organic electroluminescent device and organic electroluminescent device including the same
SAMSUNG DISPLAY CO LTD0 citations52
US10205102B2Feb 12, 2019
Material for organic electroluminescent device and organic electroluminescent device including the same
SAMSUNG DISPLAY CO LTD0 citations52
US10164197B2Dec 25, 2018
Organic electroluminescent device
SAMSUNG DISPLAY CO LTD0 citations52
US12096682B2Sep 17, 2024
Organic electroluminescence device and monoamine compound for organic electroluminescence device
SAMSUNG DISPLAY CO LTD0 citations51
US11502257B2Nov 15, 2022
Organic electroluminescence device and amine compound for organic electroluminescence device
SAMSUNG DISPLAY CO LTD0 citations51
US11230521B2Jan 25, 2022
Monoamine compound and organic electroluminescence device including the same
SAMSUNG DISPLAY CO LTD0 citations51
US10910578B2Feb 2, 2021
Polycyclic compound and organic electroluminescence device including the same
SAMSUNG DISPLAY CO LTD0 citations51
US9196841B2Nov 24, 2015
Arylamine compound and electroluminescence device using the same
SAMSUNG DISPLAY CO LTD0 citations42
SONY CORP
3 patentsUS6525212B1Feb 25, 2003
Bis(aminostyryl)benzene compounds and synthetic intermediates thereof, and process for preparing the compounds and intermediates
SONY CORP5 citations63
US6916552B2Jul 12, 2005
Organic electroluminescent device and display unit
SONY CORP6 citations62
US6979746B2Dec 27, 2005
(1,4-phenylene)bis(methylene) phosphonic acid esters and (1,4-phenylene)bis(methylene) triphenyl phosphonium salt compounds
SONY CORP0 citations52