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Seongnam, South Korea

Soulbrain Co., Ltd.

USPTO Granted Patents = 38

EPO Patents = 4

Trademarks = 7

Forward Citations = 72

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132 inventors (with patents filed for the assignee):

Jung Hun Lim (10 out of 31 patents)

Hoon Hee Han (9 out of 86 patents)

Hyo Sun Lee (5 out of 9 patents)

4. Yong Jae Choi (5 out of 5 patents)

5. Sang Won Bae (5 out of 15 patents)

6. Junghun Lim (5 out of 6 patents)

7. Seok Jong Lee (5 out of 10 patents)

8. Jin Hee Kim (5 out of 5 patents)

9. Tae-Ryang Hong (4 out of 16 patents)

10. Hyosan Lee (4 out of 28 patents)

11. Jun-Yun Kim (4 out of 36 patents)

12. Mihyun Park (3 out of 6 patents)

13. Keonyoung Kim (3 out of 6 patents)

14. Yongsun Ko (3 out of 26 patents)

15. Jin Hye Bae (3 out of 3 patents)

Core Competencies:

Cerium Oxide Particles

Chemical Mechanical Polishing

Thin Film Formation

Etching Composition

Organic Light Emitting Diodes

Electrolyte Additive

Battery Electrolyte

Growth Inhibitor

Lithium Secondary Battery

Indium Precursor Compound

Display Device

Conductive Patterns

38 patents: Sort by Forward Citations

1. 12486429 - Cerium oxide particles, chemical mechanical polishing slurry composition comprising same, and method for manufacturing semiconductor device (2025-12-02),

2. 12479871 - Method of preparing symmetrical phosphate-based compound (2025-11-25),

3. 12473645 - Method for forming thin film (2025-11-18),

4. 12471490 - Organic compound, organic light-emitting diode including organic compound, and display device including organic light-emitting diode (2025-11-11),

5. 12469879 - Electrolyte additive, battery electrolyte including electrolyte additive, and secondary battery including battery electrolyte (2025-11-11),

6. 12448685 - Growth inhibitor for forming thin film, method for forming thin film and semiconductor substrate prepared therefrom (2025-10-21),

7. 12446461 - Organic compound, organic light-emitting diode including organic compound, and display device including organic light-emitting diode (2025-10-14),

8. 12421599 - Growth inhibitor for forming thin film, method of forming thin film using growth inhibitor, and semiconductor substrate fabricated by method (2025-09-23),

9. 12281383 - Indium precursor compound, method of preparing thin film using the same, and board prepared using the same (2025-04-21),

10. 12252788 - Method for forming thin film (2025-03-18),

11. 12234400 - Etchant composition for etching silicon germanium film and method of manufacturing integrated circuit device by using the same (2025-02-25),

12. 11795550 - Etching composition, a method of etching a metal barrier layer and a metal layer using the same, and method of manufacturing semiconductor device using the same (2023-10-24),

13. 11667647 - Delayed fluorescent compound, and organic light emitting diode and organic light emitting display device including the same (2023-06-06),

14. 11655219 - Organic compound, organic light emitting diode and organic light emitting device including the compound (2023-05-23),

15. 11557731 - Organic light emitting diode having n-type host with narrow band gap and organic light emitting display device including the same (2023-01-17),

Company Overview

Soulbrain Co., Ltd. is a South Korean company specializing in the development and manufacturing of advanced materials and chemical products for various industries. The organization focuses on innovative solutions in the semiconductor, display, and energy sectors, contributing to the enhancement of technology and efficiency in these fields. With a commitment to research and development, Soulbrain aims to lead in the creation of high-performance materials that support the evolving demands of modern technology.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

38 Patents

#21 in Seongnam

#379 in South Korea

#17,860 in the World

Seongnam, South Korea

Soulbrain Co., Ltd.

Forward Citations = 72

132 inventors:

Jung Hun Lim (10 out of 31 patents)

Hoon Hee Han (9 out of 86 patents)

Hyo Sun Lee (5 out of 9 patents)

4. Yong Jae Choi (5 out of 5 patents)

5. Sang Won Bae (5 out of 15 patents)

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