This inventor holds 1 USPTO granted patent and 2 published patent applications. Top assignee: Magnachip Semiconductor, Inc.. 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: Sangho Lee and His Buffer Circuit Innovation.
Introduction
Sangho Lee is an inventor associated with Cheongju, South Korea, and Magnachip Semiconductor, Inc. His patent work includes a circuit design intended to improve slew-rate performance in electronic systems.
Latest Patents
Lee is credited with 1 patent: “Buffer Circuit Having Enhanced Slew Rate.” The invention describes a buffer circuit with an input stage that provides or receives differential current based on the difference between input and output voltages. A load stage applies gate voltages to two output transistors, while the output stage regulates the output voltage. The design also includes a slew-rate compensation circuit, an offset-control signal output stage, and an offset-blocking circuit that can switch off a current source in the compensation circuit.
Career Highlights
Lee’s listed patent reflects work on circuit architecture and signal-transition performance. The design coordinates the input, load, output, and compensation stages to manage the output voltage and slew rate.
Collaborations
Lee’s listed coworker is Hyoungkyu Kim. Both are associated with the patent, which identifies Magnachip Semiconductor, Inc. as the company connected to Lee’s work.
Conclusion
Sangho Lee’s patent presents a coordinated buffer-circuit design that combines slew-rate compensation with offset control, highlighting his contribution to semiconductor circuit innovation.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile