Changwon, South Korea

Jung Hwan Chang

This inventor holds 4 USPTO granted patents and 1 EPO patent. Top assignee: Korea Electrotechnology Research Institute. Active years: 2009-2011.

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

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


% Patents Active = 100.0

 

Average Co-Inventor Count = 4.1

ph-index = 4

Forward Citations = 99(Granted Patents)


Company Filing History:


Years Active: 2009-2011

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4 patents (USPTO):Explore Patents

Title: Innovations of Jung Hwan Chang

Introduction

Jung Hwan Chang is a notable inventor based in Changwon-si, South Korea. He has made significant contributions to the field of electrotechnology, holding a total of 4 patents. His work focuses on advanced motor technologies that enhance efficiency and performance.

Latest Patents

One of his latest patents is the "Inner rotor type permanent magnet excited transverse flux motor." This invention features a laminated structure applied to a stator iron core, allowing for a reduced amount of permanent magnets compared to conventional designs. This innovation results in high output power, increased efficiency in power generation, and reduced noise and vibration. The motor comprises a stator with a powdered iron core and a rotor with alternating permanent magnets and powdered iron cores.

Another significant patent is the "Low-noise, high-speed, high precision and high-thrust flux reversal motor for linear or rotary motion systems." This flux reversal motor includes a mover that moves linearly relative to a stator, featuring a plurality of permanent magnets arranged to achieve low noise, low vibration, high speeds, high precision, and high thrust motion.

Career Highlights

Jung Hwan Chang is affiliated with the Korea Electrotechnology Research Institute, where he continues to innovate and develop new technologies. His work has been instrumental in advancing motor technology, contributing to both academic and practical applications in the field.

Collaborations

He has collaborated with notable coworkers, including Do Hyun Kang and Ji Won Kim, to further enhance the research and development of electrotechnological innovations.

Conclusion

Jung Hwan Chang's contributions to motor technology through his patents reflect his commitment to innovation and excellence in the field of electrotechnology. His work not only improves efficiency but also sets new standards for performance in motor systems.

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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