Taejon, South Korea

Yong Keun Chang

This inventor holds 6 USPTO granted patents and 1 published patent application. Top assignee: Korea Advanced Institute of Science and Technology. Active years: 1993-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yong Keun Chang. Retrieved from https://idiyas.com/inventor/yong-keun-chang

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

USPTO Granted Patents = 6 

% Patents Active = 83.3

Average Co-Inventor Count = 3.9

ph-index = 2

Forward Citations = 80(Granted Patents)


Location History:

  • Dajeon, KR (1993)
  • Taejon, KR (2001 - 2003)
  • Sejong, KR (2020)

Company Filing History:


Years Active: 1993-2020

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6 patents (USPTO):Explore Patents

Title: Yong Keun Chang: Innovator in Hydrocracking and Organic Acid Production

Introduction

Yong Keun Chang is a prominent inventor based in Taejon, South Korea. He has made significant contributions to the fields of hydrocracking catalysts and organic acid production. With a total of six patents to his name, his work is recognized for its innovative approaches to sustainable fuel and chemical manufacturing.

Latest Patents

Chang's latest patents include a hydrocracking catalyst based on hierarchically porous beta zeolite and a method for producing bio-jet fuel from triglyceride-containing biomass. This invention focuses on a hydrocracking catalyst that enhances the production of bio-jet fuel by reducing the residence time of reactants within zeolite crystals. His other notable patent involves a method for manufacturing organic acids through high-efficiency continuous fermentation. This method allows for the production of high-concentration lactic acid and can be adapted for various organic acids, significantly reducing facility and production costs.

Career Highlights

Yong Keun Chang is affiliated with the Korea Advanced Institute of Science and Technology, where he continues to advance research in catalysis and fermentation technologies. His work has not only contributed to academic knowledge but also has practical implications for the biofuel and organic acid industries.

Collaborations

Chang has collaborated with notable colleagues, including Ho Nam Chang and Sung-Keun Rhee, to further enhance the impact of his research and innovations.

Conclusion

Yong Keun Chang's contributions to hydrocracking and organic acid production exemplify the importance of innovation in addressing modern energy and chemical challenges. His patents reflect a commitment to advancing sustainable technologies that can benefit various industries.

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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