Seongnam, South Korea

Sung Joo Lee

This inventor holds 5 USPTO granted patents and 8 published patent applications and 1 EPO patent. Top assignee: Sungkyunkwan University. Active years: 2022-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sung Joo Lee. Retrieved from https://idiyas.com/inventor/sung-joo-lee-jzu1kd8y

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

Calculating rank
USPTO Granted Patents = 5 

% Patents Active = 80.0

 

Average Co-Inventor Count = 5.7

ph-index = 1


Company Filing History:


Years Active: 2022-2026

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5 patents (USPTO):Explore Patents

Title: Innovations of Sung Joo Lee

Introduction

Sung Joo Lee is a prominent inventor based in Seongnam-si, South Korea. He has made significant contributions to the field of semiconductor technology, holding a total of 5 patents. His work focuses on advanced switching devices and inverter technologies, which are crucial for modern electronic applications.

Latest Patents

One of his latest patents is the "Super-steep switching device and inverter device using the same." This invention provides a super-steep switching device that includes a substrate, a semiconductor channel, a source electrode, and a drain electrode. The design features a gate electrode that overlaps a portion of the semiconductor channel, along with an insulating layer that covers the entire surface of the semiconductor channel. Another notable patent is the "Negative transconductance device and multi-valued inverter logic device using the same." This device comprises a first transistor with a P-type semiconductor channel, a second transistor with an N-type semiconductor channel, and a third transistor with an ambipolar semiconductor channel positioned between the first and second transistors.

Career Highlights

Sung Joo Lee is affiliated with Sungkyunkwan University, where he continues to engage in research and development in semiconductor technologies. His academic background and innovative work have positioned him as a key figure in his field.

Collaborations

He has collaborated with notable colleagues, including Hae Ju Choi and Hyeon Je Son, contributing to various research projects and advancements in technology.

Conclusion

Sung Joo Lee's contributions to semiconductor technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the field significantly.

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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