Sunnyvale, CA, United States of America

Andrew C Chang

This inventor holds 7 USPTO granted patents and 5 published patent applications. Top assignees: Apple Inc., Other. Active years: 2002-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Andrew C Chang. Retrieved from https://idiyas.com/inventor/andrew-c-chang-5ole6m27

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

Calculating rank
USPTO Granted Patents = 7 

% Patents Active = 100.0

Average Co-Inventor Count = 3.2

ph-index = 2

Forward Citations = 55(Granted Patents)


Location History:

  • Nashville, TN (US) (2002)
  • Sunnyvale, CA (US) (2021 - 2023)

Company Filing History:


Years Active: 2002-2025

Loading Chart...
7 patents (USPTO):Explore Patents

Title: Andrew C. Chang: Innovator in Low Power Electronics

Introduction

Andrew C. Chang is a noteworthy inventor based in Sunnyvale, CA, known for his significant contributions to electronic device functionality, particularly in the realm of low power consumption. With a total of four patents to his name, his work addresses crucial challenges in the management of electronic devices, especially during low power modes.

Latest Patents

Chang's recent patents include innovations focused on managing near field communications (NFC) during low power modes of electronic devices. One of his leading innovations, titled "Management of Near Field Communications Using a Low Power Express Mode of an Electronic Device," outlines systems and methods for ensuring that NFC components maintain security and accessibility without undue power consumption. Additionally, his patent on "Electronic Device Functionality in Low Power Mode" describes methods to minimize power use while retaining essential functionalities, enabling devices to operate efficiently even when battery levels are low.

Career Highlights

Currently, Andrew C. Chang is a key innovator at Apple Inc., where he applies his expertise to enhance electronic device capabilities. His career is marked by a focus on developing technologies that enable devices to perform optimally while managing energy resources effectively.

Collaborations

Throughout his career, Chang has collaborated with talented coworkers, including Yong Wang and Gordon Y. Scott. These partnerships have facilitated cross-disciplinary advancements, pushing the boundaries of what electronic devices can achieve in low power scenarios.

Conclusion

With a firm grasp of innovative technologies, Andrew C. Chang continues to influence the electronic device landscape significantly. His efforts in low power mode management and near field communications are shaping the future of energy-efficient devices, ensuring better performance without compromising power resources. As his work progresses, it will undoubtedly pave the way for future advancements in the industry.

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…