Kaohsiung, Taiwan

Er-Yun Chang

This inventor holds 1 USPTO granted patent. Top assignee: I-Shou University. Active years: 2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Er-Yun Chang. Retrieved from https://idiyas.com/inventor/er-yun-chang

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 1


Company Filing History:


Years Active: 2020

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1 patent (USPTO):Explore Patents

Title: Er-Yun Chang: Innovator in Power Supply Technology

Introduction

Er-Yun Chang is a notable inventor based in Kaohsiung, Taiwan. He has made significant contributions to the field of power supply technology, particularly in the design of apparatuses that drive light-emitting devices. His innovative approach has led to the development of a unique power supply apparatus that enhances efficiency and performance.

Latest Patents

Er-Yun Chang holds 1 patent for his invention titled "Power Supply Apparatus." This apparatus is designed for driving light-emitting devices and includes a lossless snubber circuit and a power converting circuit. The lossless snubber circuit features a first diode, a first inductor, and a second diode arranged in series between an input end and a first reference end. Additionally, it incorporates a first capacitor connected between the first diode and a second reference end. The power converting circuit consists of a switch, a transformer, and a second inductor, with the switch being controlled by a signal to optimize performance.

Career Highlights

Er-Yun Chang is affiliated with I-Shou University, where he contributes to research and development in electrical engineering. His work focuses on advancing technologies that improve the efficiency of power supply systems. His dedication to innovation has positioned him as a key figure in his field.

Collaborations

Er-Yun Chang collaborates with esteemed colleagues such as Chun-An Cheng and Chin-Chih Lai. Together, they work on various projects that aim to push the boundaries of power supply technology and its applications.

Conclusion

Er-Yun Chang's contributions to power supply technology exemplify his commitment to innovation and excellence. His patent for a power supply apparatus showcases his ability to create solutions that enhance the functionality of light-emitting devices. Through his work at I-Shou University and collaborations with fellow researchers, he continues to make a significant impact 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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