Daejeon, South Korea

Kwang Jun Choi

This inventor holds 4 USPTO granted patents and 1 published patent application. Top assignee: Semes Co., Ltd.. Active years: 2023-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kwang Jun Choi. Retrieved from https://idiyas.com/inventor/kwang-jun-choi

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

USPTO Granted Patents = 4 

% Patents Active = 100.0

Average Co-Inventor Count = 5.0

ph-index = 1


Location History:

  • Daejeon, KR (2023 - 2024)
  • Chungcheongnam-do, KR (2024)

Company Filing History:


Years Active: 2023-2024

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4 patents (USPTO):Explore Patents

Title: Kwang Jun Choi: Innovator in Substrate Processing Technology

Introduction

Kwang Jun Choi is a prominent inventor based in Daejeon, South Korea. He has made significant contributions to the field of substrate processing, holding a total of 4 patents. His innovative work focuses on improving manufacturing processes and enhancing product yields.

Latest Patents

Among his latest patents, Choi has developed a substrate processing apparatus and method designed to minimize the occurrence of stains, thereby improving yield. This method involves forming multiple ink patterns on a substrate using various nozzles, calculating the density of these patterns, and selecting nozzles based on the calculated densities. Another notable patent is for a color filter, which includes a substrate and a bank that partitions pixel units. This filter features first structures with a width narrower than the pixel unit and an ink film that exceeds the height of these structures.

Career Highlights

Kwang Jun Choi is currently employed at Semes Co., Ltd., where he continues to innovate in substrate processing technologies. His work has been instrumental in advancing the efficiency and effectiveness of manufacturing processes in the industry.

Collaborations

Choi collaborates with talented coworkers, including Sung Ho Kim and Hyun Min Lee, who contribute to his projects and enhance the innovative environment at Semes Co., Ltd.

Conclusion

Kwang Jun Choi's contributions to substrate processing technology exemplify his commitment to innovation and excellence. His patents reflect a deep understanding of manufacturing challenges and a dedication to improving industry standards.

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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