Sewon Cellontech Co., Ltd.

Calculating rank

USPTO Granted Patents = 6

% Expired Patents = 16.7

CIPO Patents = 5

EPO Patents = 15

Trademarks = 4

Forward Citations = 21

Loading Chart...

31 inventors (with patents filed for the assignee):

Cheong Ho Chang (3 out of 4 patents)

Ji Chui Yoo (2 out of 2 patents)

Se Ken Yeo (2 out of 2 patents)

4. Dong Sam Suh (2 out of 3 patents)

5. Jae-Deog Jang (2 out of 3 patents)

6. Sae-Bom Lee (2 out of 3 patents)

7. Ji-Chul Yu (2 out of 2 patents)

8. Hyeong Woo Jeong (1 out of 1 patent)

9. Hun Jung Kim (1 out of 17 patents)

10. Chang Kwon Ko (1 out of 1 patent)

11. Dong-Sam Suh (1 out of 1 patent)

12. Ju-Hee Park (1 out of 2 patents)

13. Yong Hyun Yoo (1 out of 1 patent)

14. Shin Ghu Park (1 out of 1 patent)

15. Jeong Cheol Ju (1 out of 1 patent)

6 patents: Sort by Forward Citations

1. 11292827 - Method for producing high-concentration collagen for using as medical material (2022-04-05),

2. 10973952 - Matrix for restoring soft tissue and producing method therefor (2021-04-13),

3. 9879226 - Mesenchymal stem cell basic culturing medium (2018-01-30),

4. 9573219 - Welding method for shell and tube (2017-02-21),

5. 9011929 - Composition for inducing tissue regeneration by activating platelet-rich plasma (PRP) (2015-04-21),

6. 7781158 - Method of separating collagen from the various animal tissues for producing collagen solution and product using the same (2010-08-24),

Company Overview

Sewon Cellontech Co., Ltd. is a leading manufacturer of advanced batteries and energy solutions. With a focus on innovation and sustainability, the company specializes in lithium-ion batteries for various applications, including electric vehicles, energy storage systems, and portable electronics. Sewon Cellontech is committed to providing high-quality products and services to meet the evolving needs of the global market.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

6 Patents

#581 in Seoul

#1,621 in South Korea

Seoul, South Korea

Sewon Cellontech Co., Ltd.

Forward Citations = 21

31 inventors:

Cheong Ho Chang (3 out of 4 patents)

Ji Chui Yoo (2 out of 2 patents)

Se Ken Yeo (2 out of 2 patents)

4. Dong Sam Suh (2 out of 3 patents)

5. Jae-Deog Jang (2 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sewon Cellontech Co., Ltd.. Retrieved from https://idiyas.com/company/sewon-cellontech-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]

5 patents (CIPO):

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]

15 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]