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Inventor

Yuichiro Kawamura

Inventor
Sodegaura, JP

Overview

33→
Patents
2011–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 33 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H10Kprimary
H10KOrganic electric solid-state devices24%
H01LSemiconductor devices17%
C09KMaterials for miscellaneous applications, not provided for elsewhere17%
H05BElectric heating11%
C07DHeterocyclic compounds10%
C07CAcyclic or carbocyclic compounds8%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments5%
B82YSpecific uses or applications of nanostructures3%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium3%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests2%
PatentTitleYear
11,060,485Control valve assembly202110,854,838Organic EL light emitting apparatus and electronic instrument202010,547,009Organic electroluminescent element, electronic device and compound2020RE047654Organic electroluminescence device201910,351,765Organic electroluminescence element and electronic device201910,125,310Organic electroluminescence element and electronic device201810,014,476Pyrene derivative, organic light-emitting medium, and organic electroluminescent element containing pyrene derivative or organic light-emitting medium20189,997,717Organic electroluminescence device and electronic device20189,947,876Organic electroluminescence device and electronic device20189,812,661'Organic electroluminescent device'20179,640,769'Organic electric field light emitting element and production therefor'20179,512,137'Organic electroluminescence device'20169,484,540'Oxygen-containing fused ring derivative and organic electroluminescence device comprising the same'20169,365,767'Organic electric field light emitting element and production therefor'20169,353,027'Organic electroluminescent element using pyrene derivative'20169,324,950'Organic electroluminescence device'20169,273,002'Benzo[k]fluoranthene derivative and organic electroluminescence device containing the same'20169,269,907'Aromatic amine derivative and organic electroluminescence device using the same'20169,266,851'Fluorene-containing aromatic compound, material for organic electroluminescent element, and organic electroluminescent element using same'20169,174,938'Organic electroluminescence device'20159,169,274'Pyrene derivative and organic electroluminescent element using the same'20159,153,790'Organic electroluminescent device'20159,126,943'Nitrogenated heterocyclic ring derivative and organic electroluminescent element comprising same'20158,883,323'Organic electroluminescence device'20148,803,420'Organic electroluminescence device'20148,748,015'Indenofluorenedione derivative, material for organic electroluminescent element, and organic electroluminescent element'20148,723,171'Organic electroluminescence device'20148,476,823'Organic electroluminescent device'20138,461,574'Organic electroluminescence device'20138,372,527'Material for organic electroluminescent element, and organic electroluminescent element'20138,221,907'Chrysene derivative and organic electroluminescent device using the same'20128,088,901'Azaindenofluorenedione derivative, material for organic electroluminescence device and organic electroluminescence device'20128,022,617'Organic compound, charge-transporting material, composition for charge-transporting material and organic electroluminescent device'2011

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2011–2017Based in Ichihara, JP· patent location history
2012–2020Patents assigned to IDEMITSU KOSAN CO (29)· patent assignee history
2012–2018Patents assigned to KAWAMURA YUICHIRO (20)· patent assignee history
2012–2018Patents assigned to KAWAMURA MASAHIRO (13)· patent assignee history
2012–2020Based in Sodegaura, JP· patent location history
2014–2018Patents assigned to ITO HIROKATSU (10)· patent assignee history
2014–2018Patents assigned to SAITO HIROYUKI (10)· patent assignee history
2021Based in Kosai, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
IDEMITSU KOSAN CO292012–2020
KAWAMURA YUICHIROself202012–2018
KAWAMURA MASAHIRO132012–2018
ITO HIROKATSU102014–2018
SAITO HIROYUKI102014–2018
Locations
LocationPatentsSpan
Sodegaura, JP292012–2020
Ichihara, JP32011–2017
Kosai, JP12021