Sung-Duck Chun

This inventor holds 197 USPTO granted patents and 2 published patent applications, plus 9 CIPO patents and 105 EPO patents, primarily in Mobile Telecommunications (CPC class H04W74-0833). Top assignees: Lg Electronics Inc., Optis Cellular Technology, LLC, Interdigital Patent Holdings, Inc.. Active years: 2008-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sung-Duck Chun. Retrieved from https://idiyas.com/inventor/sung-duck-chun-2ghga

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 197 (Patent Applications = 2)

% Patents Active = 80.7

CIPO Patents = 9

EPO Patents = 105 (Patent Applications = 65)

Average Co-Inventor Count = 3.8

ph-index = 18

Forward Citations = 1,253(Granted Patents)

Forward Citations (Not Self Cited) = 1,056(Dec 10, 2025)

Inventors with similar research interests:

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Location History:

Gyeunggi-Do, KR (2011)
Seoul, KR (2009 - 2012)
Anyang-Gyeonggi-do, KR (2014)
Gyeonggi-Do, KR (2010 - 2019)
Anyang-si, KR (2013 - 2022)
Anyang, KR (2008 - 2023)

Company Filing History:

Optis Cellular Technology, LLC

patents

1 out of 2,212

Interdigital Patent Holdings, Inc.

patents

Years Active: 2008-2023

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Areas of Expertise:

Random Access Procedures

Data Transfer Management

Radio Protocol Processing

Time Alignment Command

Mobile Communication System

Wireless Communication

Relay Node Utilization

MAC PDUs

PDCP Layer

Power Headroom Reporting

Paging Information

Communication Maintenance

197 patents (USPTO):Sort by Forward CitationsExplore Patents

1. RE49442 - Method of an uplink HARQ operation at an expiry of time alignment timer (2023-02-27),

2. 11272449 - Method and mobile terminal for performing random access (2022-03-08),

3. RE48291 - Method of delivering a PDCP data unit to an upper layer (2020-10-26),

4. 10757650 - Method and mobile terminal for performing random access (2020-08-25),

5. 10433206 - Method for processing radio protocol in mobile telecommunications system and transmitter of mobile telecommunications (2019-10-01),

6. 10349348 - Method and mobile terminal for performing random access (2019-07-09),

7. 10314081 - Method of handling time alignment command during a random access procedure (2019-06-04),

8. 10244430 - Method for processing radio protocol in mobile telecommunications system and transmitter of mobile telecommunications (2019-03-26),

9. 10129795 - Data transfer management in a radio communications network (2018-11-13),

10. 10122441 - Method of utilizing a relay node in wireless communication system (2018-11-06),

11. 9955507 - Maintaining communication between mobile terminal and network in mobile communication system (2018-04-24),

12. 9949282 - Method for transmitting MAC PDUs (2018-04-17),

13. 9942781 - Method for transmitting status report of PDCP layer in mobile telecommunications system and receiver of mobile telecommunications (2018-04-10),

14. 9930580 - Data transfer management in a radio communications network (2018-03-27),

15. RE46756 - Method of transmitting/receiving LTE system information in a wireless communication system (2018-03-12),

Certainly! Here is an article about inventor Sung-Duck Chun:

Title: Unveiling the Innovations of Sung-Duck Chun - A Korean Inventor Redefining Communication Technologies

Introduction: Sung-Duck Chun, a prolific inventor hailing from Gyeonggi-Do, South Korea, has made significant contributions to the field of communication technologies. With an impressive portfolio of 197 patents, Chun continues to push the boundaries of innovation in the realm of wireless communication systems.

Latest Patents:

1. Method of an Uplink HARQ Operation at an Expiry of Time Alignment Timer: Chun's groundbreaking patent focuses on optimizing uplink HARQ operations in evolved mobile communication systems like E-UMTS and LTE, enhancing the efficiency and reliability of data transmissions.

2. Method and Mobile Terminal for Performing Random Access: This patent showcases Chun's expertise in developing a seamless random access channel procedure for mobile terminals, improving network connectivity and data transmission efficiency.

Career Highlights: Throughout his career, Sung-Duck Chun has garnered experience at esteemed companies such as LG Electronics Inc. and Optis Cellular Technology, LLC. His innovative spirit and dedication to technological advancements have solidified his reputation as a trailblazer in the field of communication technologies.

Collaborations: Chun has had the privilege of collaborating with industry peers such as Young-Dae Lee and Sung-Jun Park, fostering a culture of innovation and knowledge exchange. Together, they have worked on projects that have reshaped the landscape of wireless communication systems.

Conclusion: Sung-Duck Chun's relentless pursuit of innovation and his numerous patents underscore his invaluable contributions to the evolution of communication technologies. His groundbreaking inventions continue to shape the future of wireless communication systems, leaving an indelible mark on the industry.

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Profile summary based on public USPTO records.