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Seoul, South Korea

Samyang Corporation

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USPTO Granted Patents = 106

% Expired Patents = 5.7

CIPO Patents = 30

EPO Patents = 60

Trademarks = 7

Forward Citations = 868

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239 inventors (with patents filed for the assignee):

Chong Jin Park (23 out of 23 patents)

Hoon Ryu (15 out of 31 patents)

Min-Hyo Seo (13 out of 27 patents)

4. Sung Won Park (12 out of 36 patents)

5. Kang Pyo Lee (12 out of 18 patents)

6. Ji Won Park (12 out of 13 patents)

7. Hye Jung Kim (12 out of 13 patents)

8. Jun Seop Im (10 out of 10 patents)

9. Go-Eun Kim (8 out of 8 patents)

10. Kyung Moo Shin (8 out of 8 patents)

11. In-Ja Choi (7 out of 8 patents)

12. Kyung-Hun Ryu (6 out of 6 patents)

13. Seung Hyun Yoo (6 out of 6 patents)

14. Bong Chan Kim (5 out of 23 patents)

15. Won Hyun Jeon (5 out of 8 patents)

Core Competencies:

Polyurethane Foam

Thermoplastic Elastomer

Biodegradable Polymer

Polycarbonate Copolymer

Oligosaccharides

Functional Sweeteners

Anhydrosugar Alcohol

Drug Delivery

Nanoparticle Compositions

3D Printing

Sustained Release

Polymeric Micelles

106 patents: Sort by Forward Citations

1. 12790484 - Polycarbonate resin composition for 3D printing having excellent shape retention ability and interfacial adhesion, and pellet and filament for 3D printing comprising same (2026-11-10),

2. 12742036 - Hydrophilic acrylic-modified polyurethane and method for preparing same, and water-based paint composition prepared therefrom and manufacturing method thereof (2026-09-22),

3. 12729374 - GLYCOSYLTRANSFERASE AND STEVIOL GLUCOSIDE PREPARATION METHOD USING SAME (2026-09-08),

4. 12692388 - Thermoplastic resin composition for high-brightness unpainted metallic material and a molded article including the same (2026-07-28),

5. 12678469 - MICROORGANISM WITH HIGH TRIPEPTIDE PRODUCTIVITY AND USE THEREOF (2026-07-14),

6. 12625427 - Naphthalimide sulfonate derivative, and photoacid generator and photoresist composition each comprising same (2026-05-12),

7. 12624062 - Method for manufacturing allulose (2026-05-12),

8. 12624007 - Naphthalimide sulfonate derivative, and photoacid generator and photoresist composition which comprise same (2026-05-12),

9. 12503547 - Polyol composition using glucose-containing saccharide composition, and polyurethane foam including same (2025-12-23),

10. 12497639 - Method for preparing kestose-containing fructooligosaccharides (2025-12-16),

11. 12492419 - Cell immobilized beads having excellent conversion activity and method for preparing same (2025-12-09),

12. 12471612 - Functional crystalline sweetener (2025-11-18),

13. 12378364 - Polysiloxane-polycarbonate copolymer using hydroxy-terminated polysiloxane mixture, and method for producing same (2025-08-05),

14. 12378353 - Polyester resin including diester compound and anhydrosugar alcohol, and method for preparing same (2025-08-05),

15. 12315884 - Non-aqueous electrolyte composition for lithium secondary battery having improved lifespan, and lithium secondary battery including same (2025-05-27),

Company Overview

Samyang Corporation, headquartered in Seoul, South Korea, specializes in polymer chemistry, focusing on the development and manufacturing of advanced materials. The company is recognized for its innovations in polyurethane foam, thermoplastic elastomers, and biodegradable polymers, catering to diverse industries. Additionally, Samyang is involved in producing polycarbonate copolymers, oligosaccharides, functional sweeteners, anhydrosugar alcohols, and drug delivery systems, contributing to advancements in both consumer products and healthcare solutions.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Nov 10 2026

106 Patents

#70 in Seoul

#178 in South Korea

#7,420 in the World

Seoul, South Korea

Samyang Corporation

Forward Citations = 868

239 inventors:

Chong Jin Park (23 out of 23 patents)

Hoon Ryu (15 out of 31 patents)

Min-Hyo Seo (13 out of 27 patents)

4. Sung Won Park (12 out of 36 patents)

5. Kang Pyo Lee (12 out of 18 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Samyang Corporation. Retrieved from https://idiyas.com/company/samyang

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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