LexDanaLexDanabeta
Inventor

SANG-HEE CHO

Inventor
KR

Overview

37→
Patents
2021–2026
Patent span
Chemistry
Primary field (CPC C)

Patents· 37 as inventor

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

C07Dprimary
C07DHeterocyclic compounds30%
H10KOrganic electric solid-state devices30%
C09KMaterials for miscellaneous applications, not provided for elsewhere28%
H01LSemiconductor devices7%
C07BGeneral methods of organic chemistry3%
C07CAcyclic or carbocyclic compounds2%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium2%
PatentTitleYear
12,588,353Plurality of host materials, organic electroluminescent compound and organic electroluminescent device comprising the same202612,527,219Organic electroluminescent compound and organic electroluminescent device comprising the same202612,520,718Organic electroluminescent compound, a plurality of host materials and organic electroluminescent device comprising the same202612,509,472Plurality of host materials and organic electroluminescent device comprising the same202512,507,588Organic electroluminescent compound and organic electroluminescent device comprising the same202512,479,860Organic electroluminescent compound, a plurality of host materials, and organic electroluminescent device comprising the same202512,453,282Plurality of host materials and organic electroluminescent device comprising the same202512,433,161Plurality of host materials and organic electroluminescent device comprising the same202512,389,794Plurality of host materials and organic electroluminescent device comprising the same202512,310,235Plurality of host materials and organic electroluminescent device comprising the same202512,289,996Plurality of host materials and organic electroluminescent device comprising the same202512,279,525Organic electroluminescent compound, a plurality of host materials and organic electroluminescent device comprising the same202512,258,352Organic electroluminescent compound, a plurality of host materials and organic electroluminescent device comprising the same202512,234,219Organic electroluminescent compound, a plurality of host materials, and organic electroluminescent device comprising the same202512,207,547Organic electroluminescent compound, organic electroluminescent material comprising the same, and organic electroluminescent device202512,084,446Organic electroluminescent compound and organic electroluminescent device comprising the same202412,082,496Composition material for organic electroluminescent device, plurality of host materials, and organic electroluminescent device comprising the same202412,049,468Plurality of host materials and organic electroluminescent device comprising the same202412,004,420Organic electroluminescent compound and organic electroluminescent device comprising the same202411,963,439Organic electroluminescent compound and organic electroluminescent device comprising the same202411,950,506Plurality of host materials and organic electroluminescent device comprising the same202411,926,591Organic electroluminescent compound and organic electroluminescent device comprising the same202411,930,704Organic electroluminescent device comprising an electron buffer layer and an electron transport layer202411,856,850Plurality of host materials and organic electroluminescent device comprising the same202311,793,075Plurality of host materials and organic electroluminescent device comprising the same202311,788,000Organic electroluminescent compound and organic electroluminescent device comprising the same202311,751,476Electron buffering material and organic electroluminescent device comprising the same202311,737,353Plurality of host materials and organic electroluminescent device comprising the same202311,706,984Plurality of host materials and organic electroluminescent device comprising the same202311,588,112Organic electroluminescent compound and organic electroluminescent device comprising the same202311,552,257Plurality of host materials and organic electroluminescent device comprising the same202311,495,750Organic electroluminescent compound and organic electroluminescent device comprising the same202211,394,000Electron buffering materials, electron transport materials and organic electroluminescent device comprising the same202211,387,417Organic electroluminescent device202211,316,114Organic electroluminescent compound and organic electroluminescent device comprising the same202211,302,874Organic electroluminescent compound and organic electroluminescent device comprising the same202211,183,640Organic electroluminescent device comprising electrontransport layer and electron buffer layer2021

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2021–2026Patents assigned to ROHM & HAAS ELECT MATERIALS KOREA LTD (37)· patent assignee history
2021–2026Based in KR· patent location history
2022Patents assigned to DOW GLOBAL TECHNOLOGIES LLC (1)· patent assignee history
2022Patents assigned to ROHM AND HAAS ERLECTRONIC MAT KOREA LTD (1)· patent assignee history
2024Patents assigned to ROHM AND HAAS ELECTRONIC MAT KOREA (1)· patent assignee history
2025–2026Patents assigned to DUPONT SPECIALTY MATERIALS KOREA LTD (13)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ROHM & HAAS ELECT MATERIALS KOREA LTD372021–2026
DUPONT SPECIALTY MATERIALS KOREA LTD132025–2026
DOW GLOBAL TECHNOLOGIES LLC12022
ROHM AND HAAS ELECTRONIC MAT KOREA12024
ROHM AND HAAS ERLECTRONIC MAT KOREA LTD12022
Locations
LocationPatentsSpan
KR372021–2026