Il Yang Pharmaceutical Company, Ltd.

Calculating rank

USPTO Granted Patents = 6

% Expired Patents = 50.0

EPO Patents = 2

Forward Citations = 1

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10 inventors (with patents filed for the assignee):

Stephan D Parent (4 out of 53 patents)

Wei Lai (4 out of 7 patents)

David T Jonaitis (4 out of 11 patents)

4. John M Brackett (4 out of 7 patents)

5. Jih Hua Liu (4 out of 4 patents)

6. Jinyu Shen (3 out of 3 patents)

7. Choon W Lee (2 out of 3 patents)

8. Hoon Chung (2 out of 2 patents)

9. Kwon Haeng Lee (2 out of 2 patents)

10. Chun Hee Chung (2 out of 2 patents)

6 patents: Sort by Forward Citations

1. 8592600 - Solid state forms of racemic ilaprazole (2013-11-26),

2. 8592599 - Solid state forms of racemic ilaprazole (2013-11-26),

3. 7999110 - Solid state forms of racemic ilaprazole (2011-08-16),

4. 7989632 - Crystalline forms of solvated ilaprazole (2011-08-02),

5. 5721134 - Ganoderma lucidum KCCM 10045 which produces proteoglycan (G009) having (1998-02-24),

6. 5585467 - Proteoglycan(G009) effective in enhancing antitumor immunity (1996-12-17),

Company Overview

Il Yang Pharmaceutical Company, Ltd. is a leading pharmaceutical company based in South Korea. With a focus on developing innovative healthcare solutions, they offer a wide range of high-quality pharmaceutical products. Their mission is to improve the health and well-being of people around the world through their cutting-edge research and development efforts.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

6 Patents

#44 in Yongin

#1,621 in South Korea

Yongin, South Korea

Il Yang Pharmaceutical Company, Ltd.

Forward Citations = 1

10 inventors:

Stephan D Parent (4 out of 53 patents)

Wei Lai (4 out of 7 patents)

David T Jonaitis (4 out of 11 patents)

4. John M Brackett (4 out of 7 patents)

5. Jih Hua Liu (4 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Il Yang Pharmaceutical Company, Ltd.. Retrieved from https://idiyas.com/company/il-yang-pharmaceutical-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]

2 patents (EPO):

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]