CIPO Patents = 2

EPO Patents = 9

Forward Citations = 1

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4 inventors (with patents filed for the assignee):

Hyunoh Oh (5 out of 89 patents)

Taegyu Lee (5 out of 57 patents)

Jinsam Kwak (1 out of 643 patents)

4. Juhyung Son (1 out of 393 patents)

5. Hyun Oh Oh (45 patents)

5 patents: Sort by Forward Citations

1. 11689879 - Method for generating filter for audio signal, and parameterization device for same (2023-06-27),

2. 11622218 - Method and apparatus for processing multimedia signals (2023-04-04),

3. 11343630 - Audio signal processing method and apparatus (2022-05-24),

4. 11109180 - Method for generating filter for audio signal, and parameterization device for same (2021-08-31),

5. 11096000 - Method and apparatus for processing multimedia signals (2021-08-17),

Company Overview

Gcoa Co., Ltd. is a cutting-edge technology company specializing in the development of innovative solutions for business operations. With a focus on sustainability and efficiency, Gcoa Co., Ltd. offers a range of products and services designed to improve productivity and streamline processes for businesses of all sizes. Our team of experts is dedicated to delivering high-quality solutions that drive success and growth for our clients.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

5 Patents

#671 in Seoul

#1,879 in South Korea

Seoul, South Korea

Gcoa Co., Ltd.

Forward Citations = 1

4 inventors:

Hyunoh Oh (5 out of 89 patents)

Taegyu Lee (5 out of 57 patents)

Jinsam Kwak (1 out of 643 patents)

4. Juhyung Son (1 out of 393 patents)

5. Hyun Oh Oh (45 patents)

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

2 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]

9 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]