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Kyungki-do, South Korea

Korea Telecom

USPTO Granted Patents = 81

Forward Citations = 1,726

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243 inventors (with patents filed for the assignee):

Kyung Soo Kim (4 out of 69 patents)

Tae Goo Choy (4 out of 14 patents)

Tae-Gyu Kang (3 out of 47 patents)

4. Sang-Soo Lee (3 out of 81 patents)

5. Eung-Don Lee (3 out of 6 patents)

6. Young Tark Lee (3 out of 3 patents)

7. Jeong U Jeon (3 out of 3 patents)

8. Il Song Han (3 out of 6 patents)

9. Jong-Hyun Lee (2 out of 43 patents)

10. Yark Yeon Kim (2 out of 22 patents)

11. Sang Seok Lee (2 out of 38 patents)

12. Won Chul Song (2 out of 8 patents)

13. Seung Ho Ahn (2 out of 12 patents)

14. Myung Yung Jeong (2 out of 11 patents)

15. Jin Woo Hahn (2 out of 7 patents)

Core Competencies:

Internet Fax Control

MPLS Network Backup

Integrated Network Services

Mobile Terminal Software Keyboard

Brillouin Scattering Suppression

Multimedia Conference RTP

Optical Fiber Manufacturing

Video Conferencing Transmission

Radio-Wave Propagation Prediction

Asynchronous CDMA Communication

On-Line Banking Systems

Multicast Routing Efficiency

81 patents: Sort by Forward Citations

1. 7639384 - Method for controlling error of internet fax data (2009-12-29),

2. 7330283 - Method for controlling error of internet fax data (2008-02-12),

3. 7274654 - Method for sharing backup path in MPLS network, label switching router for setting up backup in MPLS network, and system therefor (2007-09-25),

4. 7200147 - Method for analyzing address for next generation integrated network service (2007-04-03),

5. 7193615 - Method for providing mobile terminal with software keyboard suitable for language used in country where it is located (2007-03-20),

6. 7092635 - Apparatus and method for stimulated Brillouin scattering suppression using supervisory channel (2006-08-15),

7. 7065085 - Method for summarizing default address of PNNI lowest level node in ATM switching system (2006-06-20),

8. 7006504 - VC merging apparatus and method for establishing/terminating connection thereof (2006-02-28),

9. 6957380 - Method for network adaptive error control FolP (2005-10-18),

10. 6950934 - Method for managing certificate revocation list by distributing it (2005-09-27),

11. 6919824 - Keypad assembly with supplementary buttons and method for operating the same (2005-07-19),

12. 6915423 - Method of providing time stamping service for setting client's system clock (2005-07-05),

13. 6868112 - Apparatus and method for detecting signals of space-time coding based on transmission diversity (2005-03-15),

14. 6853676 - Apparatus and method for inserting and detecting watermark based on stochastic model (2005-02-08),

15. 6847679 - Apparatus and method for communicating signal in asymmetric digital subscriber line network by using dual link discrete multi-tone (2005-01-25),

Korea Telecom, also known as KT, is the largest telecommunications company in South Korea. Operating since 1981, KT provides a wide range of services including fixed-line telephony, mobile communication, internet, and digital television. With extensive infrastructure and advanced technologies, KT has become a leader in the Korean telecommunications market. The company aims to connect people, businesses, and societies through innovative solutions and superior customer experiences.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

81 Patents

#2 in Kyungki-do

#214 in South Korea

#8,993 in the World

Kyungki-do, South Korea

Korea Telecom

Forward Citations = 1,726

243 inventors:

Kyung Soo Kim (4 out of 69 patents)

Tae Goo Choy (4 out of 14 patents)

Tae-Gyu Kang (3 out of 47 patents)

4. Sang-Soo Lee (3 out of 81 patents)

5. Eung-Don Lee (3 out of 6 patents)

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