Seongnam-si, South Korea

Chang Joo Han

This inventor holds 1 USPTO granted patent and 1 published patent application. Top assignees: Posco Future M Co., Ltd., Posco Holdings Inc., Research Institute of Industrial Science & Technology. Active years: 2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Chang Joo Han. Retrieved from https://idiyas.com/inventor/chang-joo-han-2s3lalp2

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

Calculating rank
USPTO Granted Patents = 1 

% Patents Active = 100.0

Average Co-Inventor Count = 5.0

ph-index = 1


Company Filing History:


Years Active: 2026

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1 patent (USPTO):Explore Patents

Title: Chang Joo Han: Innovator in Lithium Battery Technology

Introduction

Chang Joo Han is a prominent inventor based in Seongnam-si, South Korea. He has made significant contributions to the field of lithium secondary batteries, particularly in enhancing their performance and efficiency. His innovative work has led to the development of a unique cathode active material that plays a crucial role in battery technology.

Latest Patents

Chang Joo Han holds 1 patent for his invention titled "Cathode active material for lithium secondary battery, and lithium secondary battery including same." This patent focuses on a positive electrode active material designed to improve the battery characteristics of high-capacity positive electrode materials. His approach involves the simultaneous doping of tungsten (W) and boron (B) elements, which enhances electrical conductivity and suppresses negative reactions of residual lithium and electrolyte solutions.

Career Highlights

Throughout his career, Chang Joo Han has worked with notable organizations, including Posco Holdings Inc. and the Research Institute of Industrial Science & Technology. His experience in these institutions has allowed him to refine his expertise in battery technology and materials science.

Collaborations

Chang Joo Han has collaborated with esteemed colleagues such as Sang Cheol Nam and Young Sang Kim. These partnerships have contributed to the advancement of research and development in the field of lithium batteries.

Conclusion

Chang Joo Han's innovative contributions to lithium battery technology highlight his role as a key inventor in this critical area. His work continues to influence advancements in energy storage solutions, paving the way for more efficient and effective battery 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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