This inventor holds 1 USPTO granted patent. Top assignee: Richtek Technology Corporation. Active years: 2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2026
Title: Tai-Wei Chang and His Patent for a Leakage-Compensated Bandgap Reference Circuit.
Introduction
Tai-Wei Chang is an inventor associated with Richtek Technology Corporation in Hsinchu, Taiwan. His patent work addresses the design of a stable reference voltage for electronic circuits.
Latest Patents
The provided information lists 1 patent for Chang: “Bandgap Reference Circuit with Leakage Current Compensation.” The invention uses two bipolar junction transistors biased at different current densities to establish a base-emitter voltage difference. One transistor provides a complementary-to-absolute-temperature (CTAT) signal, while a differential sensing resistor and feedback circuit help generate a proportional-to-absolute-temperature (PTAT) signal. The circuit combines these signals to produce a reference voltage with a zero temperature coefficient, while compensating for leakage current.
Career Highlights
Chang’s listed patent reflects work on bandgap reference circuit design, a technique used to provide temperature-stable voltage references in electronic systems. His professional affiliation is Richtek Technology Corporation.
Collaborations
Ming-Hsien Shih is identified as Chang’s coworker. The provided information does not specify whether Shih collaborated on the patent.
Conclusion
Tai-Wei Chang’s listed invention combines temperature-dependent signals and feedback to produce a stable reference voltage while addressing leakage current.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile