Vancouver, Canada

Michael H Chang

This inventor holds 1 USPTO granted patent. Top assignee: Other. Active years: 1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Michael H Chang. Retrieved from https://idiyas.com/inventor/michael-h-chang-wz8vlarb

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 = 3.0

ph-index = 1

Forward Citations = 15(Granted Patents)


Company Filing History:

goldMedal1 out of 834,659 
Other
 patents

Years Active: 1994

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1 patent (USPTO):Explore Patents

Title: Michael H Chang - Innovator in Conversation Level Warning Devices

Introduction

Michael H Chang is an inventive mind based in Vancouver, Canada. He has made significant contributions to the field of technology with his innovative approach to communication devices. His work focuses on enhancing the safety and effectiveness of conversations in various environments.

Latest Patents

Michael H Chang holds a patent for a Conversation Level Warning Device. This invention provides a method and apparatus for warning when the amplitude of conversations exceeds certain values. The device includes a microphone and related circuitry that continuously produce a signal related to the amplitude of the conversation while operational. A comparator continuously compares this signal to a pre-set first value, producing an output as long as the conversation exceeds a certain amplitude. Additionally, a discriminator responds to the comparator output, providing a warning signal when the duration of the comparator output exceeds a predetermined value. This innovative device aims to enhance communication safety by alerting users when conversation levels become excessive.

Career Highlights

Throughout his career, Michael H Chang has demonstrated a commitment to innovation and technology. His work on the Conversation Level Warning Device showcases his ability to identify and address communication challenges. With a focus on practical solutions, he has contributed to advancements in the field.

Collaborations

Michael has collaborated with notable colleagues, including Robert Lee and Stanley Wong. Their combined expertise has fostered a creative environment that encourages innovative thinking and problem-solving.

Conclusion

Michael H Chang is a remarkable inventor whose work on conversation level warning devices exemplifies the intersection of technology and communication. His contributions continue to influence the way we approach conversation safety and effectiveness.

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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