Hong Kong, China

Andy Chang

This inventor holds 2 USPTO granted patents. Top assignees: Tfi Digital Media Limited, The Hong Kong University of Science and Technology. Active years: 2010-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Andy Chang. Retrieved from https://idiyas.com/inventor/andy-chang-6ry81bee

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 = 2.7

ph-index = 1

Forward Citations = 10(Granted Patents)


Company Filing History:


Years Active: 2010-2022

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2 patents (USPTO):Explore Patents

Title: Innovations of Inventor Andy Chang

Introduction

Andy Chang is a notable inventor based in Hong Kong, CN. He has made significant contributions to the field of technology, particularly in touch-sensitive devices and video compression. With a total of 2 patents, his work reflects a commitment to enhancing user experience and improving digital communication.

Latest Patents

One of Andy Chang's latest patents is titled "Secured operation with optional cancellation on touch-sensitive devices." This invention provides a method and device that facilitates a single touch-and-drag operation, allowing users to communicate their intentions and make selections during transactions in a robust and intuitive manner. It effectively prevents erroneous selections caused by inadvertent touches and offers users the option to withdraw unintentional selections. Another significant patent is "Efficient multi-frame motion estimation for video compression." This invention discloses a method for digital signal compression, specifically focusing on video compression. It utilizes multi-frame motion estimation and includes both device and method aspects, along with a computer program product that carries program instructions for implementation.

Career Highlights

Andy Chang has worked with prestigious institutions, including The Hong Kong University of Science and Technology and Tfi Digital Media Limited. His experience in these organizations has allowed him to develop and refine his innovative ideas.

Collaborations

Throughout his career, Andy has collaborated with talented individuals such as Oscar Chi-Lim Au and Yiu Fai Yuen. These partnerships have contributed to the success of his inventions and have fostered a collaborative environment for innovation.

Conclusion

In summary, Andy Chang is an accomplished inventor whose work in touch-sensitive devices and video compression has made a significant impact in the technology sector. His patents demonstrate a dedication to improving user interaction and enhancing digital communication.

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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