Inventor
MIZUKI YUMIKO
JP75 patents
⚠️ This page may combine multiple inventors who share the name “MIZUKI YUMIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IDEMITSU KOSAN CO
33 patentsUS10435350B2Oct 8, 2019
Organic electroluminecence device
IDEMITSU KOSAN CO128 citations99
US9530969B2Dec 27, 2016
Material for organic electroluminescence device and organic electroluminescence device
IDEMITSU KOSAN CO25 citations94
US9391279B2Jul 12, 2016
Aromatic amine derivative and organic electroluminescent device using the same
IDEMITSU KOSAN CO13 citations93
US8895159B2Nov 25, 2014
Aromatic amine derivative and organic electroluminescence device using the same
IDEMITSU KOSAN CO19 citations93
US10297765B2May 21, 2019
Aromatic amine derivative and organic electroluminescent device using the same
IDEMITSU KOSAN CO5 citations84
US9905779B2Feb 27, 2018
Organic electroluminescent element and electronic device
IDEMITSU KOSAN CO10 citations84
US9741938B2Aug 22, 2017
Aromatic amine derivative, and organic electroluminescent element comprising the same
IDEMITSU KOSAN CO8 citations84
US9502667B2Nov 22, 2016
Organic electroluminescence
IDEMITSU KOSAN CO13 citations84
US9466800B2Oct 11, 2016
Aromatic amine derivative, and organic electroluminescent element comprising the same
IDEMITSU KOSAN CO7 citations84
US10297761B2May 21, 2019
Organic electroluminescent element
IDEMITSU KOSAN CO3 citations73
US10263191B2Apr 16, 2019
Aromatic amine derivative, and organic electroluminescent element comprising the same
IDEMITSU KOSAN CO1 citations73
US10186665B2Jan 22, 2019
Organic electroluminescent element
IDEMITSU KOSAN CO5 citations73
US10056558B2Aug 21, 2018
Aromatic amine derivative, material for organic electroluminescent element, and organic electroluminescent element
IDEMITSU KOSAN CO4 citations73
US9991445B2Jun 5, 2018
Heterocyclic compound, material for organic electroluminescence device including the same, and organic electroluminescence device and electronic equipment employing the same
IDEMITSU KOSAN CO2 citations73
US9963429B2May 8, 2018
Carbazole derivative, material for organic electroluminescent element which comprises same, and organic electroluminescent element and electronic device each manufactured using same
IDEMITSU KOSAN CO2 citations73
US9947879B2Apr 17, 2018
Anthracene derivative and organic electroluminescence element using same
IDEMITSU KOSAN CO2 citations73
US9902687B2Feb 27, 2018
Compound
IDEMITSU KOSAN CO2 citations73
US9882144B2Jan 30, 2018
Organic electroluminescent element
IDEMITSU KOSAN CO6 citations73
US9818953B2Nov 14, 2017
Aromatic amine derivative, material for organic electroluminescent element, and organic electroluminescent element
IDEMITSU KOSAN CO4 citations73
US9318709B2Apr 19, 2016
Material for organic electroluminescence device, and organic electroluminescence device using the same
IDEMITSU KOSAN CO3 citations73
US9130174B2Sep 8, 2015
Material for organic electroluminescence device and organic electroluminescence device
IDEMITSU KOSAN CO6 citations73
USRE50748EJan 6, 2026
Organic electroluminescence device
IDEMITSU KOSAN CO0 citations63
USRE49343EDec 20, 2022
Organic electroluminescence device
IDEMITSU KOSAN CO0 citations63
US11133478B2Sep 28, 2021
Aromatic amine derivative and organic electroluminescent device using the same
IDEMITSU KOSAN CO0 citations63
US11024806B2Jun 1, 2021
Aromatic amine derivative, and organic electroluminescent element comprising the same
IDEMITSU KOSAN CO0 citations63
US10964891B2Mar 30, 2021
Pyrene derivative, organic light-emitting medium, and organic electroluminescent element containing pyrene derivative or organic light- emitting medium
IDEMITSU KOSAN CO0 citations63
US9203036B2Dec 1, 2015
Carbazole compound, material for organic electroluminescence device and organic electroluminescence device
IDEMITSU KOSAN CO2 citations63
US11569456B2Jan 31, 2023
Organic electroluminescent element and electronic device
IDEMITSU KOSAN CO0 citations62
US10811616B2Oct 20, 2020
Organic electroluminescent element and electronic device
IDEMITSU KOSAN CO1 citations62
US10217954B2Feb 26, 2019
Compound, material for organic electroluminescent element, organic electroluminescent element, and electronic device
IDEMITSU KOSAN CO2 citations62
US11264576B2Mar 1, 2022
Specifically substituted ladder type compounds for organic light emitting devices
IDEMITSU KOSAN CO0 citations52
US11053229B2Jul 6, 2021
Compound, material for organic electroluminescent element, organic electroluminescent element, and electronic device
IDEMITSU KOSAN CO0 citations52
US10790449B2Sep 29, 2020
Compound, material for organic electroluminescence element, organic electroluminescence element, and electronic device
IDEMITSU KOSAN CO0 citations52
MIZUKI YUMIKO
11 patentsUS8394510B2Mar 12, 2013
Aromatic amine derivative and organic electroluminescence device using the same
MIZUKI YUMIKO49 citations98
US9166179B2Oct 20, 2015
Aromatic amine derivative, and organic electroluminescent element comprising the same
MIZUKI YUMIKO13 citations92
US8518560B2Aug 27, 2013
Aromatic amine derivative and organic electroluminescent device using the same
MIZUKI YUMIKO18 citations92
US8431250B2Apr 30, 2013
Aromatic amine derivative, and organic electroluminescent element comprising the same
MIZUKI YUMIKO23 citations92
US9169274B2Oct 27, 2015
Pyrene derivative and organic electroluminescent element using the same
MIZUKI YUMIKO9 citations84
US8932735B2Jan 13, 2015
Aromatic amine derivative and organic electroluminescent element comprising the same
MIZUKI YUMIKO7 citations84
US8647754B2Feb 11, 2014
Aromatic diamine derivative and organic electroluminescent device using the same
MIZUKI YUMIKO13 citations84
US9640773B2May 2, 2017
Aromatic amine derivative and organic electroluminescence element using same
MIZUKI YUMIKO2 citations73
US9331285B2May 3, 2016
Aromatic amine derivative and organic electroluminescent element using same
MIZUKI YUMIKO2 citations63
US8580393B2Nov 12, 2013
Polymer and organic electroluminescent device including the same
MIZUKI YUMIKO4 citations63
US8507900B2Aug 13, 2013
Benzofluoranthene derivative and organic electroluminescence element comprising same
MIZUKI YUMIKO3 citations63
KAWAMURA MASAHIRO
2 patentsITO HIROKATSU
2 patentsNISHIMURA KAZUKI
1 patentITO MITSUNORI
1 patentShowing the top 50 of 75 patents by PatentIndex Score.