Gyeonggi, South Korea

Jin Han Chang

This inventor holds 1 USPTO granted patent and 2 published patent applications. Top assignee: Hyundai Engineering Co. Ltd.. Active years: 1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Jin Han Chang. Retrieved from https://idiyas.com/inventor/jin-han-chang

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

USPTO Granted Patents = 1 

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 6(Granted Patents)


Company Filing History:


Years Active: 1998

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1 patent (USPTO):Explore Patents

Title: Jin Han Chang: Innovator in Wastewater Treatment Technology

Introduction

Jin Han Chang is a notable inventor based in Gyeonggi, South Korea. He has made significant contributions to the field of wastewater treatment, focusing on innovative solutions that enhance the efficiency of sewage processing. His work is particularly relevant in today's context of environmental sustainability and resource management.

Latest Patents

Chang holds a patent for a sewage and wastewater treatment plant that utilizes both anaerobic and aerobic processes. This innovative design features a bioreactor that includes an anaerobic treatment tank, an aerobic contacting tank, and a microorganism separation tank. The arrangement of these components allows for effective treatment of wastewater and sewage. The bioreactor is equipped with a layered honeycomb type media that facilitates the distribution of wastewater and supports the adherence of microorganisms, which are essential for the treatment process. He has 1 patent to his name.

Career Highlights

Jin Han Chang is currently employed at Hyundai Engineering Co. Ltd., where he continues to develop and refine technologies related to wastewater treatment. His work at this esteemed company underscores his commitment to advancing engineering solutions that address critical environmental challenges.

Collaborations

Chang has collaborated with notable colleagues, including In Kook Kang and Dong Wook Kim. These partnerships have likely contributed to the innovative approaches he employs in his projects.

Conclusion

Jin Han Chang's contributions to wastewater treatment technology exemplify the importance of innovation in addressing environmental issues. His patented designs and ongoing work at Hyundai Engineering Co. Ltd. highlight his role as a key figure in the field.

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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