% Expired Patents = 41.7

EPO Patents = 5

Forward Citations = 180

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8 inventors (with patents filed for the assignee):

Chang Sik Kim (6 out of 47 patents)

Suk-Hong Choi (5 out of 5 patents)

Sang-Hee Park (5 out of 5 patents)

4. Hyuk Namgoong (3 out of 3 patents)

5. Tae Yong Kim (2 out of 40 patents)

6. Myeong Woo Kim (2 out of 2 patents)

7. Ha Yun Lee (2 out of 2 patents)

8. Hayun Lee (1 out of 1 patent)

12 patents: Sort by Forward Citations

1. D1095869 - Skin care device (2025-09-30),

2. D1093631 - Skin care device (2025-09-16),

3. 12115283 - Sustained-release injection formulation comprising conjugate of poly-L-lactic acid filler and hyaluronic acid filler and bioactive materials, and preparation method thereof (2024-10-15),

4. 12005264 - Skin care device with plasma generating device (2024-06-11),

5. 11964161 - Plasma generator (2024-04-23),

6. 11865225 - Sustained release injectable formulation containing a poly L lactic acid filler and a hyaluronic acid filler conjugate and a method for preparing the same (2024-01-09),

7. 11400182 - Injectable formulation containing a poly l lactic acid filler and a hyaluronic acid filler conjugate and a method for preparing the same (2022-08-02),

8. 9117401 - Organic light emitting diode display (2015-08-25),

9. 8939595 - Backlight assembly and display device including the same (2015-01-27),

10. 8784695 - Method for manufacturing polyurethane nanocomposite comprising expanded graphite and composition thereof (2014-07-22),

11. 8646931 - Backlight assembly and display device including the same (2014-02-11),

12. 8563970 - Organic light emitting diode display (2013-10-22),

Company Overview

Gcs Co., Ltd. is a South Korean company based in Seongnam, specializing in advanced technology solutions across various sectors. The organization focuses on the development and manufacturing of innovative products, particularly in the fields of telecommunications and electronics. With a commitment to research and development, Gcs Co., Ltd. aims to enhance connectivity and efficiency through its cutting-edge technologies, contributing to the evolution of smart solutions in both domestic and international markets.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

12 Patents

#55 in Seongnam

#936 in South Korea

#48,163 in the World

Seongnam, South Korea

Gcs Co., Ltd.

Forward Citations = 180

8 inventors:

Chang Sik Kim (6 out of 47 patents)

Suk-Hong Choi (5 out of 5 patents)

Sang-Hee Park (5 out of 5 patents)

4. Hyuk Namgoong (3 out of 3 patents)

5. Tae Yong Kim (2 out of 40 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Gcs Co., Ltd.. Retrieved from https://idiyas.com/company/gcs-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 (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]