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For the Inventor, By the Inventor

Seoul, South Korea

Dong-A Pharm. Co., Ltd.

Calculating rank
USPTO Granted Patents = 12

% Expired Patents = 25.0



Forward Citations = 104

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97 inventors (with patents filed for the assignee):

goldMedal Jae Keol Rhee (3 out of 5 patents)

silverMedal Moo-Hi Yoo (3 out of 4 patents)

bronzeMedal Soon Hoe Kim (3 out of 7 patents)

4.  Soon-Hoe Kim (2 out of 10 patents)

5.  Sung-Hak Choi (2 out of 5 patents)

6.  Hyun-Jung Sung (2 out of 4 patents)

7.  Moohi Yoo (2 out of 10 patents)

8.  Chong Hwan Cho (2 out of 4 patents)

9.  Moo Hi Yoo (2 out of 2 patents)

10.  Yong-duck Kim (2 out of 7 patents)

11.  Dong-Sung Kim (2 out of 10 patents)

12.  Tae Ho Lee (2 out of 54 patents)

13.  Seong Jin Park (1 out of 55 patents)

14.  Mi Rim Jin (1 out of 6 patents)

15.  Sung-Hee Lee (1 out of 49 patents)


12 patents:

1. 9221790 - Benzamide derivatives (2015-12-29),
2. 8765197 - Extract of herbal and composition containing the same (2014-07-01),
3. 8329191 - Three-branched polyethylene glycol-G-CSF conjugate (2012-12-11),
4. 8203011 - 3',4′,5-trimethoxy flavone derivatives as stimulant of mucus secretion, method for the same, and pharmaceutical composition comprising the same (2012-06-19),
5. 8030315 - DPP-IV inhibitor including beta-amino group, preparation method thereof and pharmaceutical composition containing the same for preventing and treating diabetes or obesity (2011-10-04),
6. 7989425 - Vaccine enhancing the protective immunity to hepatitis c virus using plasmid DNA and recombinant adenovirus (2011-08-02),
7. 7915302 - Crystal forms of pyrrolylheptanoic acid derivatives (2011-03-29),
8. 7816379 - Oxazolidinone derivatives (2010-10-19),
9. 6844436 - Preparing pyrazolopyrimidinone derivatives for the treatment of impotence (2005-01-18),
10. 6689779 - Oxazolidinone derivatives and a process for the preparation thereof (2004-02-10),
11. 6583147 - Pyrazolopyrimidinone derivatives for the treatment of impotence (2003-06-24),
12. 5171851 - Imidazole substituted benzoxazine or benzothiazine derivatives (1992-12-15),
Company Overview
Dong-A Pharm. Co., Ltd. is a prominent South Korean pharmaceutical company headquartered in Seoul. The organization specializes in the development and manufacturing of a wide range of pharmaceutical products, including prescription medications, over-the-counter drugs, and health supplements. With a strong emphasis on research and innovation, Dong-A Pharm focuses on therapeutic areas such as cardiology, oncology, and neurology, contributing to advancements in healthcare both domestically and internationally.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

12 Patents

#346 in Seoul

#936 in South Korea

#48,235 in the World

Seoul, KR
Seoul, South Korea

Dong-A Pharm. Co., Ltd.

Forward Citations = 104

97 inventors:

goldMedal Jae Keol Rhee (3 out of 5 patents)

silverMedal Moo-Hi Yoo (3 out of 4 patents)

bronzeMedal Soon Hoe Kim (3 out of 7 patents)

4.  Soon-Hoe Kim (2 out of 10 patents)

5.  Sung-Hak Choi (2 out of 5 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Dong-A Pharm. Co., Ltd.. Retrieved from https://idiyas.com/company/dong-a-pharm-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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