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Siheung, South Korea

St Pharm Co., Ltd.

USPTO Granted Patents = 19

% Expired Patents = 36.8

EPO Patents = 11

Trademarks = 3

Forward Citations = 7

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87 inventors (with patents filed for the assignee):

Sun Ki Chang (9 out of 10 patents)

Geun Jho Lim (7 out of 8 patents)

Kyungjin Kim (4 out of 13 patents)

4. Uk-Il Kim (3 out of 3 patents)

5. Ji Hye Yoon (3 out of 3 patents)

6. Hyung Tae Bang (3 out of 3 patents)

7. Chang Ho Byeon (3 out of 3 patents)

8. Hyun Woo Baek (2 out of 2 patents)

9. Hwan Jung Lim (2 out of 9 patents)

10. Uk Il Kim (2 out of 2 patents)

11. Hoe Jin Yoon (2 out of 2 patents)

12. Kyeong-Eun Jung (2 out of 4 patents)

13. Kwang Rok Kim (2 out of 2 patents)

14. Moon Hee Kim (2 out of 5 patents)

15. Jung Nyoung Heo (2 out of 24 patents)

19 patents: Sort by Forward Citations

1. 12180237 - Method for preparing gadobutrol (2024-12-31),

2. 11655268 - Nucleoside or nucleotide derivatives, and uses thereof (2023-05-23),

3. 11214570 - Pyrrolopyridine derivative, method for producing same, and use thereof (2022-01-04),

4. 11149033 - Heteroaryl compound, enantiomer, diastereomer or pharmaceutically acceptable salt thereof, and antiviral composition containing same as active ingredient (2021-10-19),

5. 11059852 - Ergostenol glycoside derivative (2021-07-13),

6. 10702859 - Method for preparing ligand for polyketone polymerization catalyst (2020-07-07),

7. 10702546 - Bile acid oligomer conjugate for novel vesicular transport and use thereof (2020-07-07),

8. 10538504 - Preparation method of intermediate for oxazolidinone derivative (2020-01-21),

9. 10501403 - Method for preparation of (S)-N1-(2-aminoethyl)-3-(4-alkoxyphenyl)propane-1,2-diamine trihydrochloride (2019-12-10),

10. 10428096 - Polyketone polymerization catalyst (2019-10-01),

11. 10336765 - Dihydropyranopyrimidinone derivatives, and use thereof (2019-07-02),

12. 10179785 - Imidazotriazinone or imidazopyrazinone derivatives, and use thereof (2019-01-15),

13. 10065933 - Method for preparing gadobutrol (2018-09-04),

14. 9914737 - Triazolopyrimidinone or triazolopyridinone derivatives, and use thereof (2018-03-13),

15. 9822084 - Method for preparing calcobutrol (2017-11-21),

Company Overview

St Pharm Co., Ltd. is a South Korean company specializing in the development and manufacturing of pharmaceutical products, particularly in the field of advanced drug delivery systems. The organization focuses on innovative solutions that enhance the efficacy and safety of medications, catering to both local and international markets. With a commitment to research and development, St Pharm aims to contribute significantly to the healthcare sector by providing high-quality, reliable pharmaceutical solutions.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

19 Patents

#3 in Siheung

#663 in South Korea

#32,663 in the World

Siheung, South Korea

St Pharm Co., Ltd.

Forward Citations = 7

87 inventors:

Sun Ki Chang (9 out of 10 patents)

Geun Jho Lim (7 out of 8 patents)

Kyungjin Kim (4 out of 13 patents)

4. Uk-Il Kim (3 out of 3 patents)

5. Ji Hye Yoon (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: St Pharm Co., Ltd.. Retrieved from https://idiyas.com/company/st-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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