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For the Inventor, By the Inventor

Seoul, South Korea

Yuhan Corporation


USPTO Granted Patents = 97

% Expired Patents = 28.9



Trademarks = 6

Forward Citations = 218

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328 inventors (with patents filed for the assignee):

goldMedal Hyun Ju (15 out of 15 patents)

silverMedal Moo Young Song (14 out of 14 patents)

bronzeMedal Ja-Heouk Khoo (13 out of 13 patents)

4.  Tae Dong Han (13 out of 13 patents)

5.  Jong Wook Lee (13 out of 14 patents)

6.  Dong-Hoon Kim (12 out of 44 patents)

7.  Hyun Ho Choi (12 out of 71 patents)

8.  Su Bin Choi (11 out of 11 patents)

9.  Hee Jae Tak (10 out of 10 patents)

10.  Sol Park (10 out of 13 patents)

11.  Na Ry Ha (10 out of 10 patents)

12.  Young-Ae Yoon (10 out of 10 patents)

13.  Eun Kyung Kim (10 out of 12 patents)

14.  Mi Kyeong Ju (9 out of 9 patents)

15.  Woo-Seob Shin (8 out of 8 patents)


Core Competencies:
EGFR Tyrosine Kinase
Aminopyrimidine
Bispecific Antibody
Pharmaceutical Composition
Mutant Kinase
Triazolone Derivatives
Humanized Antibody
Quinazoline Derivative
Fused Ring Compound
Protein Kinase Inhibitors
Dual Function Proteins
Tumor Necrosis Factor

97 patents:

1. 12686665 - Bicyclic fused ring derivative or salt thereof and pharmaceutical composition comprising same (2026-07-21),
2. 12673944 - Compounds having inhibitory activity against glucosylceramide synthase or pharmaceutically acceptable salt thereof, processes for preparing the same, and pharmaceutical compositions comprising the same (2026-07-07),
3. 12599606 - THERAPIES WITH 3RD GENERATION EGFR TYROSINE KINASE INHIBITORS (2026-04-14),
4. 12522602 - Derivatives having 2,3-dihydro-1H-indene or 2,3-dihydrobenzofuran moiety or pharmaceutically acceptable salt thereof and pharmaceutical compositions comprising the same (2026-01-13),
5. 12428401 - Salt of an aminopyridine derivative compound, a crystalline form thereof, and a process for preparing the same (2025-09-30),
6. RE50528 - Compounds and compositions for modulating EGFR mutant kinase activities (2025-08-12),
7. 12338237 - Derivatives having 1,2,3,4-tetrahydronaphthalene moiety or pharmaceutically acceptable salt thereof and pharmaceutical compositions comprising the same (2025-06-24),
8. 12318390 - Pharmaceutical composition for oral administration comprising aminopyrimidine derivative or its salt (2025-06-03),
9. 12258328 - 6-membered heteroaryl-containing aminopyridine compounds as EGFR inhibitors (2025-03-25),
10. 12258327 - 5-membered heteroaryl-containing aminopyridine compounds as EGFR inhibitors (2025-03-25),
11. 12240913 - Anti-HER2/anti-4-1BB bispecific antibody and use thereof (2025-03-04),
12. 12227478 - Processes for preparing (3R,4R)-1-benzyl-N,4-dimethylpiperidin-3-amine or a salt thereof and processes for preparing tofacitinib using the same (2025-02-18),
13. 12187714 - Process for preparing aminopyrimidine derivatives (2025-01-07),
14. 12168690 - Anti-EGFR/anti-4-1BB bispecific antibody (2024-12-17),
15. 12110279 - Triazolones, tetrazolones, and imidazolones, or their salts, and pharmaceutical compositions comprising the same (2024-10-08),
Yuhan Corporation, headquartered in Seoul, South Korea, is a prominent player in the pharmaceutical industry, specializing in the development and manufacturing of innovative therapies. The company focuses on EGFR inhibitors, leveraging advanced technologies such as EGFR tyrosine kinase and bispecific antibodies to address various oncological conditions. Yuhan's research encompasses a range of core topics, including aminopyrimidine and triazolone derivatives, positioning it as a leader in targeted cancer treatments and contributing significantly to the global healthcare landscape.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

Yuhan Corporation
97 Patents

#78 in Seoul

#194 in South Korea

#7,971 in the World

Seoul, KR
Seoul, South Korea

Yuhan Corporation

Forward Citations = 218

328 inventors:

goldMedal Hyun Ju (15 out of 15 patents)

silverMedal Moo Young Song (14 out of 14 patents)

bronzeMedal Ja-Heouk Khoo (13 out of 13 patents)

4.  Tae Dong Han (13 out of 13 patents)

5.  Jong Wook Lee (13 out of 14 patents)

Please report any incorrect information to [email protected]
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