Seoul, South Korea

Won Joon Choi

This inventor holds 13 USPTO granted patents and 4 published patent applications. Top assignees: Skhynix Inc., Hynix Semiconductor Inc., Toshiba Memory Corporation. Active years: 2010-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Won Joon Choi. Retrieved from https://idiyas.com/inventor/won-joon-choi-oct42v1a

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

USPTO Granted Patents = 13 

% Patents Active = 84.6

Average Co-Inventor Count = 1.8

ph-index = 2

Forward Citations = 31(Granted Patents)


Location History:

  • Ichon-si, KR (2013)
  • Gyeonggi-do, KR (2014 - 2016)
  • Seoul, KR (2010 - 2020)

Company Filing History:


Years Active: 2010-2020

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13 patents (USPTO):Explore Patents

Title: Innovations of Won Joon Choi in Semiconductor Manufacturing

Introduction

Won Joon Choi is a prominent inventor based in Seoul, South Korea. He has made significant contributions to the field of semiconductor manufacturing, holding a total of 13 patents. His innovative methods have advanced the technology used in the production of semiconductor devices.

Latest Patents

Among his latest patents, Choi has developed a method of manufacturing semiconductor devices that includes forming conductive patterns in interlayer spaces between interlayer insulating layers. These conductive patterns are separated by a slit that passes through the insulating layers. The process involves generating a second by-product of a gas phase by reacting a first by-product with source gas, followed by an out-gassing process to remove the second by-product. Another notable patent focuses on the removal of by-products from conductive layers during the manufacturing process, enhancing the efficiency and reliability of semiconductor devices.

Career Highlights

Choi has worked with leading companies in the semiconductor industry, including SK Hynix Inc. and Hynix Semiconductor Inc. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in semiconductor technology.

Collaborations

Choi has collaborated with notable colleagues such as Moon Sig Joo and Heung Jae Cho. Their combined expertise has fostered an environment of innovation and creativity in their projects.

Conclusion

Won Joon Choi's contributions to semiconductor manufacturing through his patents and collaborations have significantly impacted the industry. His innovative methods continue to shape the future of semiconductor technology.

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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