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Seoul, South Korea

Korea Telecommunication Authority

USPTO Granted Patents = 192

CIPO Patents = 2

Forward Citations = 2,808

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444 inventors (with patents filed for the assignee):

Kwon Chul Park (10 out of 13 patents)

Bhum Cheol Lee (9 out of 30 patents)

Byung-Ryul Ryum (9 out of 14 patents)

4. Tae-Hyeon Han (9 out of 14 patents)

5. Soo-Min Lee (9 out of 14 patents)

6. Deok-Ho Cho (9 out of 14 patents)

7. Soon Hong Kwon (7 out of 7 patents)

8. Eun Hwa Kim (6 out of 20 patents)

9. Young Sun Kim (5 out of 40 patents)

10. Young Tae Han (5 out of 5 patents)

11. Jin-Young Kang (5 out of 5 patents)

12. Sun H Kwon (5 out of 5 patents)

13. Byung W Chin (5 out of 5 patents)

14. Jong Seog Koh (4 out of 5 patents)

15. Chung Ryong Jang (4 out of 4 patents)

Core Competencies:

Asynchronous Transfer Mode

Data Transmission

Routing Methods

Network Management

High Speed Packet Switching

Quality of Service

Video Encoding

Optical Communication

Digital Signal Processing

Traffic Measurement

192 patents: Sort by Forward Citations

1. 7054317 - Method for controlling transmission control protocol window size in asynchronous transfer mode network (2006-05-30),

2. 6947397 - Method and apparatus for adaptive data transmission in communication system (2005-09-20),

3. 6904018 - Method for high speed rerouting in multi protocol label switching network (2005-06-07),

4. 6868416 - Internet addressing architecture and hierarchical routing method thereof (2005-03-15),

5. 6813272 - QoS-based routing method (2004-11-02),

6. 6810250 - Method of global roaming services using gateway location register in third generation mobile telecommunication networks (2004-10-26),

7. 6795443 - Apparatus and method of providing internet protocol (IP) level connectivity between internet access terminals using service gateway (2004-09-21),

8. 6757737 - Apparatus and method for providing measured rate system in IP network (2004-06-29),

9. 6738633 - Method for providing number portability of mobile phone (2004-05-18),

10. 6694368 - Communication apparatus and method between distributed objects (2004-02-17),

11. 6651189 - Communication network disturbance management method using top-down method (2003-11-18),

12. 6519058 - Multiwave optical buffer using loop mirror (2003-02-11),

13. 6421341 - High speed packet switching controller for telephone switching system (2002-07-16),

14. 6288808 - Large capacity optical ATM switch (2001-09-11),

15. 6253346 - Data transmission circuit having cyclic redundancy check circuit and data rate control circuit (2001-06-26),

Company Overview

The Korea Telecommunication Authority, based in Seoul, specializes in advancing telecommunications technologies with a focus on Asynchronous Transfer Mode (ATM) and related fields. Its expertise encompasses data transmission, routing methods, and network management, ensuring efficient communication systems. The authority plays a crucial role in enhancing high-speed packet switching and quality of service, while also contributing to innovations in video encoding and optical communication. Through its initiatives, it aims to foster a robust and reliable telecommunications infrastructure in Korea.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

192 Patents

#48 in Seoul

#120 in South Korea

#4,386 in the World

Seoul, South Korea

Korea Telecommunication Authority

Forward Citations = 2,808

444 inventors:

Kwon Chul Park (10 out of 13 patents)

Bhum Cheol Lee (9 out of 30 patents)

Byung-Ryul Ryum (9 out of 14 patents)

4. Tae-Hyeon Han (9 out of 14 patents)

5. Soo-Min Lee (9 out of 14 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Korea Telecommunication Authority. Retrieved from https://idiyas.com/company/korea-telecommunication-authority

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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