Bucheon, South Korea

Kwang-Il Lee

This inventor holds 5 USPTO granted patents. Top assignee: Fairchild Korea Semiconductor Ltd.. Active years: 2012-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kwang-Il Lee. Retrieved from https://idiyas.com/inventor/kwang-il-lee-87cvofm2

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 2.9

ph-index = 2

Forward Citations = 10(Granted Patents)


Location History:

  • Gyeonggi-do, KR (2012)
  • Bucheon, KR (2014)
  • Gyeonggi, KR (2014)

Company Filing History:


Years Active: 2012-2014

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5 patents (USPTO):Explore Patents

Title: Innovations and Contributions of Kwang-Il Lee

Introduction: Kwang-Il Lee is a notable inventor based in Bucheon, South Korea. He has made significant contributions to the field of semiconductor technology, with a total of five patents to his name. His work focuses on advancing the efficiency and functionality of electrical converters through innovative designs and circuits.

Latest Patents: Among Kwang-Il Lee's most recent patents are the "Hold-up Time Extending Circuit and Converter Including the Same" and the "Duty Adjuster Circuit and Converter Including the Same". The hold-up time expansion circuit invention controls the switching frequency of at least one switch in relation to the input voltage, optimizing converter performance. The duty adjuster circuit, on the other hand, generates an adjuster current to balance the peaks of two different output currents, ensuring precise control of switch duties for improved output power consistency.

Career Highlights: Kwang-Il Lee is currently employed at Fairchild Korea Semiconductor Ltd., where he applies his expertise in semiconductor technologies. His innovative approaches have helped the company enhance its product offerings and maintain a competitive edge in the industry.

Collaborations: Throughout his career, Kwang-Il Lee has collaborated with various talented professionals, including Jin-Tae Kim and Hyun-Chul Eom. These partnerships have fostered a creative environment that encourages innovation and the development of groundbreaking technologies.

Conclusion: Kwang-Il Lee stands out as a prominent inventor whose work significantly impacts the semiconductor field. His contributions, particularly in hold-up time expansion circuits and duty adjuster circuits, showcase his commitment to innovation. As he continues to develop technologies at Fairchild Korea Semiconductor Ltd., it will be exciting to see how his inventions will shape the future of electrical converters.

Profile summary based on public USPTO records.
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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