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For the Inventor, By the Inventor

Seoul, South Korea

Cha Biotech Co., Ltd.


USPTO Granted Patents = 8


Trademarks = 1

Forward Citations = 0

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24 inventors (with patents filed for the assignee):

goldMedal Hye Sun Kim (3 out of 6 patents)

silverMedal Ji Min Yu (3 out of 3 patents)

bronzeMedal Jihye Kim (2 out of 128 patents)

4.  Dong Ryul Lee (2 out of 9 patents)

5.  Jeong Min Shin (2 out of 2 patents)

6.  Ahreum Kang (2 out of 2 patents)

7.  Jisook Moon (1 out of 1 patent)

8.  Hyun-Seob Lee (1 out of 1 patent)

9.  Yeon-Ho Shin (1 out of 1 patent)

10.  Young Gie Chung (1 out of 13 patents)

11.  Ah Reum Kang (1 out of 1 patent)

12.  Kung Mi Park (1 out of 1 patent)

13.  Sang Un Joo (1 out of 1 patent)

14.  Jihwan Song (1 out of 2 patents)

15.  Jin Hee Eum (1 out of 2 patents)


8 patents:

1. 12478646 - Umbilical cord-derived adherent stem cells, preparation method therefor, and use thereof (2025-11-25),
2. 12371664 - Medium for direct differentiation of pluripotent stem cell-derived mesenchymal stem cell, method for preparing mesenchymal stem cell by using same, and mesenchymal stem cell prepared thereby (2025-07-29),
3. 12319936 - Natural killer cells exhibiting increased anticancer activity and immunotherapeutic use thereof (2025-06-03),
4. 12091679 - Storage method and banking system of NT cell (2024-09-17),
5. 11773370 - Stem cell-derived skin precursor cell culture medium and preparation method therefor (2023-10-03),
6. 11690877 - Umbilical cord-derived adherent stem cells, preparation method therefor, and use thereof (2023-07-04),
7. 11351194 - Method for proliferating neural progenitor cells and composition for treating neurological diseases containing proliferated neural progenitor cells (2022-06-07),
8. 10479978 - Postnatal adherent cells and preparation method therefor (2019-11-19),
Company Overview
Cha Biotech Co., Ltd. is a biotechnology company specializing in the research, development, and commercialization of innovative biopharmaceutical products. With a focus on improving human health and well-being through advanced technologies, Cha Biotech is dedicated to creating cutting-edge solutions for various medical conditions. The company's mission is to transform the healthcare industry through continuous innovation and scientific excellence.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

8 Patents

#482 in Seoul

#1,307 in South Korea

Seoul, KR
Seoul, South Korea

Cha Biotech Co., Ltd.

Forward Citations = 0

24 inventors:

goldMedal Hye Sun Kim (3 out of 6 patents)

silverMedal Ji Min Yu (3 out of 3 patents)

bronzeMedal Jihye Kim (2 out of 128 patents)

4.  Dong Ryul Lee (2 out of 9 patents)

5.  Jeong Min Shin (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Cha Biotech Co., Ltd.. Retrieved from https://idiyas.com/company/cha-biotech-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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