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For the Inventor, By the Inventor

Seoul, South Korea

Samyang Corporation


USPTO Granted Patents = 105

% Expired Patents = 5.7



Trademarks = 7

Forward Citations = 867

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229 inventors (with patents filed for the assignee):

goldMedal Chong Jin Park (23 out of 23 patents)

silverMedal Hoon Ryu (15 out of 31 patents)

bronzeMedal Min-Hyo Seo (13 out of 26 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

105 patents:

1. 12742036 - Hydrophilic acrylic-modified polyurethane and method for preparing same, and water-based paint composition prepared therefrom and manufacturing method thereof (2026-09-22),
2. 12729374 - GLYCOSYLTRANSFERASE AND STEVIOL GLUCOSIDE PREPARATION METHOD USING SAME (2026-09-08),
3. 12692388 - Thermoplastic resin composition for high-brightness unpainted metallic material and a molded article including the same (2026-07-28),
4. 12678469 - MICROORGANISM WITH HIGH TRIPEPTIDE PRODUCTIVITY AND USE THEREOF (2026-07-14),
5. 12625427 - Naphthalimide sulfonate derivative, and photoacid generator and photoresist composition each comprising same (2026-05-12),
6. 12624062 - Method for manufacturing allulose (2026-05-12),
7. 12624007 - Naphthalimide sulfonate derivative, and photoacid generator and photoresist composition which comprise same (2026-05-12),
8. 12503547 - Polyol composition using glucose-containing saccharide composition, and polyurethane foam including same (2025-12-23),
9. 12497639 - Method for preparing kestose-containing fructooligosaccharides (2025-12-16),
10. 12492419 - Cell immobilized beads having excellent conversion activity and method for preparing same (2025-12-09),
11. 12471612 - Functional crystalline sweetener (2025-11-18),
12. 12378364 - Polysiloxane-polycarbonate copolymer using hydroxy-terminated polysiloxane mixture, and method for producing same (2025-08-05),
13. 12378353 - Polyester resin including diester compound and anhydrosugar alcohol, and method for preparing same (2025-08-05),
14. 12315884 - Non-aqueous electrolyte composition for lithium secondary battery having improved lifespan, and lithium secondary battery including same (2025-05-27),
15. 12312623 - Method for producing psicose from fructose-containing substrate (2025-05-27),
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 based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

Samyang Corporation
105 Patents

#72 in Seoul

#181 in South Korea

#7,446 in the World

Seoul, KR
Seoul, South Korea

Samyang Corporation

Forward Citations = 867

229 inventors:

goldMedal Chong Jin Park (23 out of 23 patents)

silverMedal Hoon Ryu (15 out of 31 patents)

bronzeMedal Min-Hyo Seo (13 out of 26 patents)

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

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

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