Fremont, CA, United States of America

Allen Chang

This inventor holds 21 USPTO granted patents, primarily in Power Supply Design. Top assignee: Alpha Omega Semiconductor Inc.. Active years: 2008-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Allen Chang. Retrieved from https://idiyas.com/inventor/allen-chang-6518n9uc

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

Calculating rank

% Patents Active = 95.2

Average Co-Inventor Count = 2.7

ph-index = 7

Forward Citations = 134(Granted Patents)


Company Filing History:


Years Active: 2008-2017

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Areas of Expertise:
Fault Tolerant Power Supply
Boost Converter
PWM Modulator
High Voltage
Power Management
Battery Power
Current Limiting Switch
Multi-Die Packaging
Integrated FET
Flexible Oscillator
Gate Driver
Semiconductor Device
21 patents (USPTO):Explore Patents

Title: Innovations by Allen Chang: Pioneering Fault Tolerant Power Supply Systems

Introduction

Allen Chang, located in Fremont, CA, is a distinguished inventor with a remarkable portfolio that includes 21 patents. His innovative work primarily focuses on enhancing power supply systems, ensuring reliability and efficiency.

Latest Patents

Chang's latest patents focus on fault tolerant power supply systems. One of his notable inventions details a system that incorporates an intelligent load switch. This design ensures uninterrupted power by connecting an input voltage to an output node when activated, utilizing a main switch. The system further includes a power channel configured as a buck converter, equipped with both a high-side power switch and a low-side power switch. Importantly, it features mechanisms to measure current flowing through the main switch, enabling it to disable switches if the current exceeds a predefined threshold, thus providing added safety and reliability.

Another groundbreaking patent from Chang outlines a fault tolerant power supply system that incorporates an intelligent gate driver-switch circuit. Similar to his previous invention, this system connects an input voltage to an output node and includes a power channel configured as a buck converter. It uniquely measures current through the low-side power switch, ensuring that if the current exceeds a specific limit, the system will disable the low-side power switch along with the load switch. These innovations significantly enhance the stability of power supply systems in varied applications.

Career Highlights

Throughout his career, Allen Chang has contributed his expertise at renowned firms such as Alpha & Omega Semiconductor Corporation and Alpha Omega Semiconductor Inc. His work has been influential in shaping advancements in semiconductor technology and power supply systems.

Collaborations

In his innovative journey, Chang has worked alongside talented professionals such as Wai-Keung Peter Cheng and Zhiye Zhang. These collaborations have fostered the development of cutting-edge technologies and solutions in the field of power supply systems.

Conclusion

Allen Chang stands out as a prominent figure in the innovation landscape, especially in the realm of fault tolerant power supply systems. With his extensive patent portfolio and collaborative efforts, he continues to make significant contributions that enhance individual and industrial power solutions. His inventions not only demonstrate his technical prowess but also reflect a commitment to ensuring uninterrupted power supply in today's technology-driven world.

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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