Yilan, Taiwan

Long-Xi Chang

This inventor holds 2 USPTO granted patents. Top assignee: Industrial Technology Research Institute. Active years: 2007-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Long-Xi Chang. Retrieved from https://idiyas.com/inventor/long-xi-chang-clyxkm9d

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

Calculating rank

% Patents Active = 50.0

Average Co-Inventor Count = 2.4

ph-index = 2

Forward Citations = 13(Granted Patents)


Location History:

  • Yilan, TW (2007)
  • Yilan County, TW (2008)

Company Filing History:


Years Active: 2007-2008

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2 patents (USPTO):Explore Patents

Title: Long-Xi Chang: Innovator in Differential Sensing Technology

Introduction

Long-Xi Chang is a notable inventor based in Yilan, Taiwan. He has made significant contributions to the field of electronic engineering, particularly in the development of sensing apparatuses and feedback circuits. With a total of 2 patents, his work showcases innovative solutions that enhance the performance of differential input amplifiers.

Latest Patents

One of Long-Xi Chang's latest patents is the "Fully Differential Sensing Apparatus and Input Common-Mode Feedback Circuit Thereof." This invention provides a sophisticated input common mode feedback circuit that includes a common mode error amplifier and multiple adaptive conductance elements. These elements exhibit low impedance characteristics under specific voltage conditions, effectively maintaining the input common voltage of a fully differential input amplifier.

Another significant patent is the "Third Order Sigma-Delta Modulator." This modulator features a first summing unit that receives an input signal, followed by a series of integrator networks and summing units that work together to process the signal. The design includes a feed-forward path that enhances the modulator's performance, making it a valuable tool in signal processing applications.

Career Highlights

Long-Xi Chang is affiliated with the Industrial Technology Research Institute, where he continues to push the boundaries of technology through his research and inventions. His work has been instrumental in advancing the capabilities of electronic devices, particularly in the realm of differential sensing.

Collaborations

He has collaborated with esteemed colleagues such as Tim Kuei Shia and Chi-Chen Chung, contributing to a dynamic research environment that fosters innovation and creativity.

Conclusion

Long-Xi Chang's contributions to the field of electronic engineering are noteworthy, particularly through his patented inventions that enhance sensing technologies. His work exemplifies the spirit of innovation and the pursuit of excellence in engineering.

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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