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For the Inventor, By the Inventor

Seoul, South Korea

Sam Yang Co., Ltd.


USPTO Granted Patents = 9

Trademarks = 1

Forward Citations = 288

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30 inventors (with patents filed for the assignee):

goldMedal Jin Deog Song (2 out of 5 patents)

silverMedal Jae Whan Kim (2 out of 13 patents)

bronzeMedal Woog Y Lee (2 out of 2 patents)

4.  Jeong W An (2 out of 2 patents)

5.  Young H Kim (2 out of 2 patents)

6.  Yil W Yi (2 out of 2 patents)

7.  Ho H Kim (2 out of 2 patents)

8.  Min-Hyo Seo (1 out of 27 patents)

9.  Chul Min Park (1 out of 16 patents)

10.  Seung-Jin Lee (1 out of 16 patents)

11.  Guw-Dong Yeo (1 out of 4 patents)

12.  Joong Woong Cho (1 out of 4 patents)

13.  Chaul Min Pai (1 out of 6 patents)

14.  Hye Jeong Yoon (1 out of 8 patents)

15.  Chaul-Min Pai (1 out of 5 patents)


9 patents:

1. 5948020 - Implantable bioresorbable membrane and method for the preparation thereof (1999-09-07),
2. 5741511 - Transdermal drug delivery device for treating erectile dysfunction (1998-04-21),
3. 5561183 - Preparation method of antibacterial and deodorant polyester for fiber (1996-10-01),
4. 5548035 - Biodegradable copolymer as drug delivery matrix comprising (1996-08-20),
5. 5514380 - Biodegradable hydrogel copolymer as drug delivery matrix (1996-05-07),
6. 5476909 - Biodegradable copolymer for medical application (1995-12-19),
7. 5403626 - Process for preparing hydrophilic polymer films and apparatus thereof (1995-04-04),
8. 5275663 - Process for preparing hydrophilic polymer film and apparatus thereof (1994-01-04),
9. 4960812 - Polyester resin compound (1990-10-02),
Company Overview
Sam Yang Co., Ltd. is a leading manufacturer and supplier of high-quality industrial equipment and components. With a focus on innovation and customer satisfaction, the company offers a wide range of products including valves, fittings, and instrumentation. Founded in 1985, Sam Yang has established a strong reputation for delivering reliable and efficient solutions to industries around the world.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 6 2026

9 Patents

#435 in Seoul

#1,185 in South Korea

Seoul, KR
Seoul, South Korea

Sam Yang Co., Ltd.

Forward Citations = 288

30 inventors:

goldMedal Jin Deog Song (2 out of 5 patents)

silverMedal Jae Whan Kim (2 out of 13 patents)

bronzeMedal Woog Y Lee (2 out of 2 patents)

4.  Jeong W An (2 out of 2 patents)

5.  Young H Kim (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sam Yang Co., Ltd.. Retrieved from https://idiyas.com/company/sam-yang-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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