Kyungki-Do, South Korea

Jae Chang Jung

This inventor holds 130 USPTO granted patents and 2 published patent applications, primarily in Semiconductor Manufacturing (CPC class G03F7-004). Top assignees: Hynix Semiconductor Inc., Hyundai Electronics Industries Co. Ltd., Dongjin Semichem Co., Ltd.. Active years: 1999-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Jae Chang Jung. Retrieved from https://idiyas.com/inventor/jae-chang-jung

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

Calculating rank
USPTO Granted Patents = 130 

% Patents Active = 53.8

Average Co-Inventor Count = 2.5

ph-index = 19

Forward Citations = 5,367(Granted Patents)

Forward Citations (Not Self Cited) = 5,188(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Ichon, KR (2000 - 2001)
  • Kyungki-do, KR (2001)
  • Ichon-shi, KE (2003)
  • Kyoungki-do, KR (1999 - 2006)
  • Seoul, KE (2007)
  • Ichon-shi, KR (2000 - 2008)
  • Seoul, KR (2005 - 2012)

Company Filing History:


Years Active: 1999-2012

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Areas of Expertise:
Photoresist Composition
Fine Pattern Formation
Semiconductor Device
Anti-Reflective Polymer
EUV Lithography
Organic Hard Mask
Top Anti-Reflective Coating
Photoacid Generating Polymer
Cleaning Solution
Pattern Formation
Immersion Lithography
Cross-Linking Monomers
130 patents (USPTO):Explore Patents

Title: Jae Chang Jung: Pioneering Innovations in Semiconductor Technology

Introduction:

Jae Chang Jung is a highly accomplished inventor and researcher in the field of semiconductor technology. Hailing from Kyoungki-do, South Korea, he has made significant contributions to the industry through his numerous patents and groundbreaking inventions. This article explores Jung's latest patents, career highlights, collaborations, and showcases his invaluable contributions to the world of semiconductor devices.

Latest Patents:

Jung's innovation extends to the development of photoresist coating compositions and methods for forming fine contacts in semiconductor devices. His most recent patents include a "Photoresist Coating Composition and Method for Forming Fine Contact of Semiconductor Device." This novel patent introduces a coating composition comprising a coating base resin and a C-Calcohol, used as the primary solvent. The accompanying method involves preparing the composition, forming a photoresist film on a semiconductor substrate, and utilizing exposure and development processes to form a fine contact photoresist pattern.

Additionally, Jung's patent for a "Method for Forming a Fine Pattern in a Semiconductor Device" revolutionizes the process of forming intricate patterns within semiconductor devices. This method entails the formation of a first photoresist pattern over a semiconductor substrate, coating a pattern hardening coating agent, creating a pattern hardening film, and selectively exposing and developing a second photoresist film to form a refined pattern between neighboring first photoresist patterns.

Career Highlights:

Jae Chang Jung's exceptional career has been characterized by his significant contributions to two prominent companies in the semiconductor industry. Firstly, he has worked at Hynix Semiconductor Inc., a globally recognized leader in memory semiconductor technology. During his tenure, Jung played a vital role in advancing the company's research and development efforts, contributing to numerous patents and innovations.

Jung's expertise was also employed at Hyundai Electronics Industries Co. Ltd., a pioneering semiconductor manufacturer. Throughout his time at Hyundai, he showcased his talent and dedication, furthering the company's technological advancements and bolstering its reputation as an industry frontrunner.

Collaborations:

In pursuit of excellence, Jae Chang Jung worked closely with esteemed colleagues in the field of semiconductor technology. Noteworthy collaborations include his professional affiliation with Ki Ho Baik and Geun Su Lee. Together, they synergized their skills and knowledge, fostering a collaborative environment that led to groundbreaking innovations.

Conclusion:

Jae Chang Jung's rich portfolio of patents demonstrates his unwavering commitment to advancing semiconductor technology. His novel inventions, such as the photoresist coating composition and method for forming fine contacts in semiconductor devices, have made a significant impact on the industry. With a successful career at Hynix Semiconductor Inc. and Hyundai Electronics Industries Co. Ltd., Jung's contributions have undoubtedly shaped the landscape of semiconductor innovation. His collaborations with esteemed colleagues illustrate his dedication to collaborative research and development. Jae Chang Jung stands as a true pioneer in the world of semiconductor inventions and patents.

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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