Calgary, Canada

Joseph Chi Chan

This inventor holds 1 USPTO granted patent. Top assignee: Nortel Networks Corporation. Active years: 2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Joseph Chi Chan. Retrieved from https://idiyas.com/inventor/joseph-chi-chan

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 = 2.0

ph-index = 1

Forward Citations = 20(Granted Patents)


Company Filing History:


Years Active: 2000

Loading Chart...
1 patent (USPTO):Explore Patents

Title: Joseph Chi Chan - Innovator in Signal Detection Technology

Introduction

Joseph Chi Chan, an inventive mind hailing from Calgary, Canada, has made significant contributions to the field of telecommunications through his innovative patent. His work focuses on refining the detection of stutter dial tone signals, a vital aspect for enhancing communication systems efficiency.

Latest Patents

Chan holds a notable patent for an "Adaptive method and apparatus for detecting a stutter dial tone signal." This method encompasses several steps, including receiving a signal from a subscriber loop, generating a signal envelope, and creating threshold parameters from this envelope. By counting the number of crossings of this threshold, the apparatus can ascertain when a stutter dial tone signal has been received, fundamentally improving communication reliability.

Career Highlights

Currently, Joseph Chi Chan is employed at Nortel Networks Corporation, where he continues to push the boundaries of signal processing technology. His patent and ongoing work showcase his dedication to advancing telecommunications through innovative problem-solving techniques.

Collaborations

Throughout his career, Chan has collaborated with fellow expert Christopher Henry Becker. Together, they have contributed to various projects aimed at improving communication technologies, thereby enhancing user experience and reliability.

Conclusion

Joseph Chi Chan stands out as a significant figure in the field of telecommunications, with his innovative patent reflecting his commitment to enhancing signal detection methods. His work not only highlights his ingenuity as an inventor but also showcases his role in the advancement of technology in the communication sector. Through collaborations and a passion for innovation, Chan continues to inspire future generations of inventors in Calgary and beyond.

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]
Loading…