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Cheongju, South Korea

Sfc Co., Ltd.

USPTO Granted Patents = 94

% Expired Patents = 5.3

EPO Patents = 44

Forward Citations = 104

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145 inventors (with patents filed for the assignee):

Se-Jin Lee (22 out of 39 patents)

Soon-Wook Cha (18 out of 29 patents)

Young-Hwan Park (17 out of 19 patents)

4. Bong-Ki Shin (17 out of 21 patents)

5. Sang-Woo Park (16 out of 33 patents)

6. Jong-Tae Je (15 out of 15 patents)

7. Yoona Shin (14 out of 14 patents)

8. Seok-bae Park (14 out of 14 patents)

9. Shuichi Hayashi (13 out of 58 patents)

10. Ji-Hwan Kim (11 out of 12 patents)

11. Byung-sun Yang (11 out of 11 patents)

12. So Young Shim (10 out of 12 patents)

13. Sang-woo Park (9 out of 9 patents)

14. Seo-Yeon Yoon (9 out of 9 patents)

15. Jung-Ho Yoo (9 out of 9 patents)

Core Competencies:

Organic Light Emitting Diodes

Boron Compounds

Polycyclic Compounds

Amine Compounds

Electroluminescent Devices

High Efficiency

Long Lifespan

Organic Compounds

Heterocyclic Compounds

Quenchers

Anthracene Derivatives

94 patents: Sort by Forward Citations

1. 12473306 - Boron compound and organic light-emitting diode including same (2025-11-18),

2. 12459962 - Polycyclic compound and organic light emitting device using the same (2025-11-04),

3. 12457896 - Organic light emitting diode including novel anthracene compounds (2025-10-28),

4. 12435064 - Quencher and uses thereof (2025-10-07),

5. 12428429 - Amine compound and organic light-emitting diode including same (2025-09-30),

6. 12428407 - Organic electroluminescent compound and organic electroluminescent device including the same (2025-09-30),

7. 12415950 - Boron compound and organic light emitting diode including same (2025-09-16),

8. 12410199 - Organic light emitting compound and organic light emitting device (2025-09-09),

9. 12291543 - Boron compound and organic light-emitting diode comprising same (2025-05-06),

10. 12284917 - Compound for organic light-emitting diode and organic light-emitting diode comprising same (2025-04-21),

11. 12284914 - Organic light-emitting compound and organic light-emitting diode comprising same (2025-04-21),

12. 12281248 - Organic light-emitting element using polycyclic aromatic derivative compound (2025-04-21),

13. 12219872 - Organic electroluminescent element (2025-02-04),

14. 12215381 - Reporter and uses thereof (2025-02-04),

15. 12137613 - Polycyclic compound and organoelectro luminescent device using same (2024-11-05),

Company Overview

Sfc Co., Ltd., based in Cheongju, South Korea, specializes in the development and manufacturing of organic light emitting diodes (OLEDs) and related technologies. The company focuses on advancing the efficiency and longevity of electroluminescent devices through innovative use of organic compounds, including boron, polycyclic, and amine compounds. Sfc's commitment to research and development positions it as a key player in the OLED industry, contributing to the evolution of display technologies and lighting solutions.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

94 Patents

#2 in Cheongju

#199 in South Korea

#8,185 in the World

Cheongju, South Korea

Sfc Co., Ltd.

Forward Citations = 104

145 inventors:

Se-Jin Lee (22 out of 39 patents)

Soon-Wook Cha (18 out of 29 patents)

Young-Hwan Park (17 out of 19 patents)

4. Bong-Ki Shin (17 out of 21 patents)

5. Sang-Woo Park (16 out of 33 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sfc Co., Ltd.. Retrieved from https://idiyas.com/company/sfc-company

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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