Inventor

HIROKATSU ITO

Inventor
JP

Overview

20→
Patents
2022–2026
Patent span
Chemistry
Primary field (CPC C)

Patents· 20 as inventor

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

H10Kprimary
H10KOrganic electric solid-state devices26%
C07DHeterocyclic compounds24%
C09KMaterials for miscellaneous applications, not provided for elsewhere21%
H01LSemiconductor devices11%
C07CAcyclic or carbocyclic compounds9%
C07BGeneral methods of organic chemistry5%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments3%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium1%
PatentTitleYear
12,590,076Compound, material for organic electroluminescent element, organic electroluminescent element, and electronic device2026RE050748Organic electroluminescence device202612,492,162Organic electroluminescent element and electronic device202512,464,943Compound and organic electroluminescent element using same202512,384,739Compound, material for organic electroluminescent elements, organic electroluminescent element and electronic device202512,338,234Compound, material for organic electroluminescence device, organic electroluminescence device, and electronic device202512,069,943Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device202412,048,242Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device202412,022,728Organic electroluminescent element and electronic device202411,939,279Compound, material for organic electroluminescent elements, organic electroluminescent element and electronic device202411,744,149Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device202311,730,054Compound having dibenzofuran and naphthalene structures, and organic electroluminescent element using same202311,678,569Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device202311,665,962Organic electroluminescence element and electronic device202311,618,740Compound, material for organic electroluminescence devices, organic electroluminescence device, and electronic device202311,548,877Compound, material for organic electroluminescence device, organic electroluminescence device, and electronic device202311,552,251Organic electroluminescent element and electronic device2023RE049343Organic electroluminescence device202211,479,544Compound, material for organic electroluminescence element, organic electroluminescence element, and electronic device202211,283,025Compound, material for organic electroluminescence elements, organic electroluminescence element, and electronic device2022

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2022–2026Patents assigned to IDEMITSU KOSAN CO (20)· patent assignee history
2022–2026Based in JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
IDEMITSU KOSAN CO202022–2026
Locations
LocationPatentsSpan
JP202022–2026