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Seongnam, South Korea

Kt Corporation

Calculating rank

USPTO Granted Patents = 1,265

% Expired Patents = 12.2

CIPO Patents = 12

EPO Patents = 98

Trademarks = 4

Forward Citations = 5,061

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1,015 inventors (with patents filed for the assignee):

Bae Keun Lee (259 out of 368 patents)

Woo-jin Choi (160 out of 175 patents)

Joo Young Kim (156 out of 253 patents)

4. Kyujin Park (96 out of 146 patents)

5. Sung-pyo Hong (78 out of 79 patents)

6. Jae Cheol Kwon (61 out of 61 patents)

7. Ki-tae Kim (41 out of 63 patents)

8. Ki-Ho Lee (33 out of 49 patents)

9. Youn-Ok Park (32 out of 60 patents)

10. Yang Seok Jeong (30 out of 33 patents)

11. Yung-Ha Ji (27 out of 27 patents)

12. Chul-Sik Yoon (27 out of 43 patents)

13. Yong-Gyoo Lee (24 out of 24 patents)

14. Byung-Han Ryu (18 out of 63 patents)

15. Jin Hyoung Lee (18 out of 21 patents)

Core Competencies:

Video Signal Encoding

Video Signal Decoding

Sidelink Communication

Uplink Data Transmission

Quantum Key Distribution

Spatial Model Generation

Battery Saving Technology

Multicast Service Data

1,265 patents: Sort by Forward Citations

1. 12795396 - Method and apparatus for optimizing hybrid communication (2026-11-10),

2. 12795121 - Video signal encoding/decoding method, and recording medium having bitstream stored therein (2026-11-10),

3. 12795115 - Image encoding/decoding method and recording medium storing bitstream (2026-11-10),

4. 12795073 - Method and apparatus for processing video signal (2026-11-10),

5. 12785774 - Performing energy measurements using channel state information (CSI) in wireless communication (2026-11-03),

6. 12777558 - MBS data control method and device (2026-10-27),

7. 12777458 - Method and apparatus for controlling paging operation (2026-10-27),

8. 12777151 - Method and device for processing video signal (2026-10-27),

9. 12771831 - Image encoding/decoding method and apparatus involving histogram intra prediction mode derivation (2026-10-20),

10. 12764824 - Method for controlling sidelink communication, and apparatus therefor (2026-10-13),

11. 12764332 - Method and apparatus for processing video signal (2026-10-13),

12. 12764320 - Method and device for performing motion compensation using merge candidate list (2026-10-13),

13. 12750472 - Video signal processing method and device (2026-09-29),

14. 12744897 - Video signal processing method and device (2026-09-22),

15. 12739444 - Method and apparatus for processing video signal (2026-09-15),

Company Overview

Kt Corporation, headquartered in Seongnam, South Korea, specializes in advanced video signal processing technologies. The company focuses on developing solutions for video signal encoding and decoding, enhancing communication through sidelink and uplink data transmission. Kt Corporation is also engaged in innovative areas such as quantum key distribution and spatial model generation, alongside efforts to improve battery-saving technologies and multicast service data. Their research and development initiatives aim to drive advancements in multimedia communication and data security.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Nov 10 2026

1,265 Patents

#1 in Seongnam

#25 in South Korea

#797 in the World

Seongnam, South Korea

Kt Corporation

Forward Citations = 5,061

1,015 inventors:

Bae Keun Lee (259 out of 368 patents)

Woo-jin Choi (160 out of 175 patents)

Joo Young Kim (156 out of 253 patents)

4. Kyujin Park (96 out of 146 patents)

5. Sung-pyo Hong (78 out of 79 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Kt Corporation. Retrieved from https://idiyas.com/company/kt

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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