Pitou Township, Taiwan

Chen-nan Liu

This inventor holds 4 USPTO granted patents and 5 published patent applications. Top assignee: Polytronics Technology Corporation. Active years: 2025-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Chen-nan Liu. Retrieved from https://idiyas.com/inventor/chen-nan-liu

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

USPTO Granted Patents = 4 

% Patents Active = 50.0

Average Co-Inventor Count = 7.6

ph-index = 1


Company Filing History:


Years Active: 2025-2026

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4 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Chen-nan Liu

Introduction

Chen-nan Liu is a notable inventor based in Pitou Township, Taiwan. He has made significant contributions to the field of electrical engineering, particularly in the development of over-current protection devices. His innovative approach combines advanced materials and engineering principles to enhance device performance and safety.

Latest Patents

Chen-nan Liu holds a patent for an over-current protection device. This device comprises first and second electrode layers with a PTC material layer laminated in between. The PTC material layer includes a polymer matrix, a conductive filler, and a titanium-containing inner filler. The polymer matrix is based on a fluorine-free polyolefin polymer, while the titanium-containing inner filler is represented by a compound with the general formula MTiO, where M signifies a transition metal or alkaline earth metal. The titanium-containing inner filler constitutes 1-9% by volume of the PTC material layer, which is calculated as 100%.

Career Highlights

Chen-nan Liu is associated with Polytronics Technology Corporation, where he applies his expertise in developing innovative electronic components. His work has contributed to advancements in safety and efficiency in electrical devices.

Collaborations

Some of his coworkers include Yung-Hsien Chang and Hsiu-Che Yen, who collaborate with him on various projects within the company.

Conclusion

Chen-nan Liu's contributions to the field of electrical engineering, particularly through his patented over-current protection device, highlight his innovative spirit and dedication to enhancing technology. His work continues to influence the development of safer and more efficient electronic devices.

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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