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Gyeongsangbuk-do, South Korea

Cheil Industries Inc.

USPTO Granted Patents = 787

% Expired Patents = 31.8

CIPO Patents = 4

EPO Patents = 162

Trademarks = 15

Forward Citations = 3,398

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1,138 inventors (with patents filed for the assignee):

Mi-Young Chae (45 out of 55 patents)

Eun-Sun Yu (34 out of 57 patents)

Hwan-Sung Cheon (34 out of 35 patents)

4. Dong Seon Uh (33 out of 34 patents)

5. Jong Cheol Lim (30 out of 41 patents)

6. Chang-Min Lee (27 out of 34 patents)

7. Jae-Hyun Kim (23 out of 164 patents)

8. Kil Sung Lee (23 out of 24 patents)

9. Eui-Su Kang (21 out of 27 patents)

10. Eung Seo Park (21 out of 21 patents)

11. Jong Seob Kim (21 out of 24 patents)

12. Sang Hyun Hong (20 out of 62 patents)

13. Kyoung Jin Ha (19 out of 23 patents)

14. Jong-Hwa Lee (19 out of 57 patents)

15. Chang Ho Son (18 out of 26 patents)

Core Competencies:

Organic Light Emitting Diode

Encapsulation Materials

Solar Cell Compositions

Optical Films

Photocurable Composition

Adhesive Composition

Conductive Film

Hardmask Composition

Optoelectronic Device

Color Shift

Semiconductor Device

Cyclic Compound

787 patents: Sort by Forward Citations

1. 10892422 - Compound for organic optoelectronic device, organic light emitting diode including the same, and display including the organic light emitting diode (2021-01-12),

2. 10829577 - Photocured composition, blocking layer comprising same and encapsulated device comprising same (2020-11-10),

3. 10815391 - Apparatus comprising an encapsulated member (2020-10-27),

4. 10647898 - Polarizing plate using adhesive composition and optical member comprising the same (2020-05-12),

5. 10622568 - Condensed cyclic compound and organic light-emitting device including the same (2020-04-14),

6. 10411199 - Organometallic complexes, and organic electroluminescent device and display using the same (2019-09-10),

7. 10392459 - Photocurable composition and device including barrier layer formed from composition (2019-08-27),

8. 10345706 - Monomer for hardmask composition and hardmask composition including the monomer and method of forming patterns using the hardmask composition (2019-07-09),

9. 10233350 - Photocurable composition and enveloped device including same (2019-03-19),

10. 10186622 - Composition for forming electrode of solar cell and electrode formed thereof (2019-01-22),

11. 10164128 - Composition for solar cell electrodes and electrode fabricated using the same (2018-12-25),

12. 10153436 - Compound for an organic optoelectronic element, organic light-emitting element comprising same, and display device comprising the organic light-emitting element (2018-12-11),

13. 10141084 - Electronic device (2018-11-27),

14. 10121973 - Compound for organic optoelectronic device, organic light-emitting diode including same, and display device including organic light-emitting diode (2018-11-06),

15. 10050235 - Optical film for reducing color shift and organic light-emitting display device employing the same (2018-08-14),

Company Overview

Cheil Industries Inc., headquartered in Gyeongsangbuk-do, South Korea, specializes in organic optoelectronics, focusing on the development and manufacturing of advanced materials for various applications. The company is known for its expertise in organic light-emitting diodes (OLEDs), encapsulation materials, and solar cell compositions. Additionally, Cheil Industries produces optical films, photocurable compositions, adhesive compositions, conductive films, and hardmask compositions, contributing to innovations in display technologies and renewable energy solutions.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

787 Patents

#1 in Gyeongsangbuk-do

#40 in South Korea

#1,277 in the World

Gyeongsangbuk-do, South Korea

Cheil Industries Inc.

Forward Citations = 3,398

1,138 inventors:

Mi-Young Chae (45 out of 55 patents)

Eun-Sun Yu (34 out of 57 patents)

Hwan-Sung Cheon (34 out of 35 patents)

4. Dong Seon Uh (33 out of 34 patents)

5. Jong Cheol Lim (30 out of 41 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Cheil Industries Inc.. Retrieved from https://idiyas.com/company/cheil-industries

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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