Inventor

SOON-WOOK CHA

Inventor

Overview

13→

Patents

2021–2026

Patent span

Chemistry

Primary field (CPC C)

Patents· 13 as inventor

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

H10Kprimary

H10KOrganic electric solid-state devices23%

C07DHeterocyclic compounds18%

C09KMaterials for miscellaneous applications, not provided for elsewhere16%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium11%

H01LSemiconductor devices11%

C07CAcyclic or carbocyclic compounds9%

C07BGeneral methods of organic chemistry4%

Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications4%

C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments2%

H05BElectric heating2%

PatentTitleYear

12,581,854Organic light emitting diode for high efficiency2026 12,428,429Amine compound and organic light-emitting diode including same2025 12,284,914Organic light-emitting compound and organic light-emitting diode comprising same2025 12,114,562Compound for organic light-emitting diode and long lifespan organic light-emitting diode comprising same2024 12,010,915Organic light-emitting diode having long lifespan, low voltage, and high efficiency property2024 11,723,265Organic light emitting diode with high efficiency2023 11,683,980Condensed fluorene derivative comprising heterocyclic ring2023 11,672,172Heterocyclic compound comprising aromatic amine group and organic light-emitting diode including the same2023 11,563,181Amine compounds for organic light-emitting diode and organic light-emitting diode including the same2023 11,532,792Organic light emitting diode having high efficiency2022 11,482,676Light emitting diode including boron compound2022 11,279,693Organic heterocyclic compound and light-emitting diode comprising same2022 11,158,811Organic electroluminescent device2021

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2021–2026Patents assigned to SFC CO LTD (13)· patent assignee history

2021Patents assigned to HODOGAYA CHEMICAL CO LTD (1)· patent assignee history

2021–2026Based in KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SFC CO LTD	13	2021–2026
HODOGAYA CHEMICAL CO LTD	1	2021

Locations

Location	Patents	Span
KR	13	2021–2026