Suwon, South Korea

Woong Jin Choi

This inventor holds 4 USPTO granted patents and 17 published patent applications. Top assignees: Egtm Co., Ltd., Egtm Co., Ltd.. Active years: 2025-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Woong Jin Choi. Retrieved from https://idiyas.com/inventor/woong-jin-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 = 4.6

ph-index = 1


Company Filing History:


Years Active: 2025-2026

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4 patents (USPTO):Explore Patents

Title: Innovations of Woong Jin Choi

Introduction

Woong Jin Choi is a notable inventor based in Suwon-Si, South Korea. He has made significant contributions to the field of thin film technology, holding a total of three patents. His work focuses on methods for the selective formation of thin films, which have applications in various industries.

Latest Patents

Choi's latest patents include a method for areal selective forming of thin films. This method involves several steps, including substrate preparation, precursor supply, purging the chamber, and thin film formation. The metal precursor compound used in this process is a Group 5 metal precursor compound. Another significant patent is the area-selective method for forming thin films using nuclear growth retardation. This method entails supplying a nuclear growth retardant to the chamber, allowing it to adsorb to the non-growth region of the substrate, followed by the supply of a precursor to the growth region.

Career Highlights

Woong Jin Choi is currently associated with Egtm Co., Ltd., where he continues to innovate in the field of thin film technology. His expertise and contributions have positioned him as a key figure in his company and the industry.

Collaborations

Choi collaborates with talented coworkers, including Ha Na Kim and Jae Min Kim. Their combined efforts contribute to the advancement of their projects and the overall success of their innovations.

Conclusion

Woong Jin Choi's work in thin film technology showcases his inventive spirit and dedication to advancing the field. His patents reflect a commitment to innovation that continues to impact various applications.

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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