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For the Inventor, By the Inventor

Seattle, WA, United States of America

Unigen Corporation


USPTO Granted Patents = 65

% Expired Patents = 32.3



Trademarks = 15

Forward Citations = 317

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72 inventors (with patents filed for the assignee):

goldMedal Qi Jia (41 out of 58 patents)

silverMedal Ping Jiao (14 out of 13 patents)

bronzeMedal Sandip K Nandy (12 out of 12 patents)

4.  Mesfin Yimam (12 out of 11 patents)

5.  Lidia Alfaro Brownell (10 out of 10 patents)

6.  Mei Feng Hong (9 out of 10 patents)

7.  Young-Chul Lee (8 out of 10 patents)

8.  Jiyun Liu (8 out of 8 patents)

9.  Alexandre Mikhailovitch Nesterov (8 out of 9 patents)

10.  Carmen Hertel (8 out of 8 patents)

11.  Mi-Sun Oh (7 out of 6 patents)

12.  Mei-Feng Hong (7 out of 7 patents)

13.  Ji-Fu Zhao (7 out of 12 patents)

14.  Eu-Jin Hyun (6 out of 5 patents)

15.  Mi-Ran Kim (6 out of 5 patents)


Core Competencies:
Skin Whitening
Joint Health
Natural Preservatives
Bakuchiol
Flavonoids
Antioxidants
Bone Disorders
Antimicrobial Agents
Dermatological Treatments
Post Inflammatory Hyperpigmentation
Enzyme Inhibitors

65 patents:

1. 12358859 - Series of compounds for treatment of skin diseases and other conditions (2025-07-15),
2. 12227472 - Series of skin-whitening (lightening) compounds (2025-02-18),
3. 12161686 - Natural preservatives and antimicrobial agents, including compositions thereof (2024-12-10),
4. 12042523 - Compositions and methods for managing or improving bone disorders, joint disorders, cartilage disorders, or a combination thereof (2024-07-23),
5. 11857657 - Diarylalkanes as potent inhibitors of binuclear enzymes (2024-01-02),
6. 11806379 - Compositions, methods, and medical compositions for treatment of and maintaining the health of the liver (2023-11-07),
7. 11739040 - Series of skin-whitening (lightening) compounds (2023-08-29),
8. 11554153 - Compositions and methods for managing or improving bone disorders, joint disorders, cartilage disorders, or a combination thereof (2023-01-17),
9. 11529384 - Natural preservatives and antimicrobial agents, including compositions thereof (2022-12-20),
10. 11446225 - Skin care compositions and methods of use thereof (2022-09-20),
11. 11414366 - Series of compounds for treatment of skin diseases and other conditions (2022-08-16),
12. 11331359 - Compositions, methods, and medical compositions for treatment of and maintaining the health of the liver (2022-05-17),
13. 11253486 - Bakuchiol compositions for treatment of post inflammatory hyperpigmentation (2022-02-22),
14. 11123393 - Compositions and methods for joint health (2021-09-21),
15. 11013699 - Bakuchiol compositions for treatment of post inflammatory hyperpigmentation (2021-05-25),
Unigen Corporation, based in Seattle, WA, specializes in the development and manufacturing of innovative skin care compositions. The company focuses on advanced formulations that incorporate natural ingredients such as bakuchiol, flavonoids, and antioxidants, aimed at enhancing skin health and addressing various skin concerns, including skin whitening and joint health. Unigen is also dedicated to exploring natural preservatives and antimicrobial agents, contributing to the wellness sector with a commitment to quality and efficacy.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Oct 6 2026

Unigen Corporation
65 Patents

#43 in Seattle, WA

#115 in Washington

#5,605 in US

#11,318 in the World

Seattle, WA (US)
Seattle, WA, United States of America

Unigen Corporation

Forward Citations = 317

72 inventors:

goldMedal Qi Jia (41 out of 58 patents)

silverMedal Ping Jiao (14 out of 13 patents)

bronzeMedal Sandip K Nandy (12 out of 12 patents)

4.  Mesfin Yimam (12 out of 11 patents)

5.  Lidia Alfaro Brownell (10 out of 10 patents)

Please report any incorrect information to [email protected]
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