Ji'an, Japan

Chia-Mao Chen

This inventor holds 1 USPTO granted patent. Top assignee: Polytronics Technology Corporation. Active years: 2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Chia-Mao Chen. Retrieved from https://idiyas.com/inventor/chia-mao-chen-boe4rf1a

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 = 3.0

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 2021

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1 patent (USPTO):Explore Patents

Title: Chia-Mao Chen and Circuit Protection Innovation

Introduction

Chia-Mao Chen is an inventor associated with Polytronics Technology Corporation. The provided information lists his location as Ji'an, JP, and credits him with 1 patent.

Latest Patents

Chen is named on the patent “Protection device and circuit protection apparatus containing the same.” The invention describes a substrate with two electrodes, a fusible element connecting them, and a heating element. The fusible element has two metal layers, with the second layer having a lower melting point and making up 40–95% of the element’s thickness. During an over-voltage or over-temperature event, the heating element warms and causes the fusible element to melt and break the circuit.

Career Highlights

The available information connects Chen’s patent work with circuit protection technology and identifies Polytronics Technology Corporation as his company.

Collaborations

Chen’s listed coworkers include David Shau-Chew Wang and Tsung Min Su.

Conclusion

Chia-Mao Chen’s credited patent presents a layered fusible element and heating mechanism designed to interrupt a circuit under over-voltage or over-temperature conditions.

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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