This inventor holds 1 USPTO granted patent and 1 published patent application. Top assignees: Advanced Energy Industries, Inc., Lam Research 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:
1 out of 365 
1 out of 3,953 
Years Active: 2026
Title: Wei Liang - Innovator in Radiofrequency Power Amplifiers
Introduction
Wei Liang is a notable inventor based in San Jose, California. He has made significant contributions to the field of radiofrequency power amplifiers, particularly in applications involving plasma processing systems. His innovative work has led to the development of a patented technology that enhances the efficiency and performance of RF power amplifiers.
Latest Patents
Wei Liang holds a patent titled "Fast frequency tracking control for radiofrequency power amplifiers with rapidly changing plasma loads." This invention involves a radiofrequency power amplifier designed for plasma processing systems. The amplifier features a switching transistor with a drain terminal, source terminal, and gate. The source terminal is connected to a reference ground potential, while the RF power amplifier includes a direct current power supply linked to the drain terminal. An impedance matching network connects the drain terminal to a coil of the plasma processing system. Additionally, the amplifier incorporates an electrical parameter measurement device to monitor parameters related to the coil. A phase delay module processes a switching feedback signal from this device, applying phase adjustments to generate a control signal for the switching transistor's gate.
Career Highlights
Throughout his career, Wei Liang has worked with prominent companies in the technology sector. He has been associated with Lam Research Corporation and Advanced Energy Industries, Inc., where he has contributed to advancements in RF technology and plasma processing.
Collaborations
Wei Liang has collaborated with various professionals in his field, including his coworker Sanghyeon Park. Their joint efforts have furthered the development of innovative solutions in radiofrequency applications.
Conclusion
Wei Liang's contributions to the field of radiofrequency power amplifiers demonstrate his commitment to innovation and excellence. His patented technology is a testament to his expertise and the impact he has made in the industry.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile