Company Filing History:
Years Active: 2025
Title: Innovations of Zhengdong Liu in Semiconductor Technology
Introduction
Zhengdong Liu is a prominent inventor based in Shanghai, China. He has made significant contributions to the field of semiconductor technology, particularly in the development of advanced RF systems. With a total of 2 patents, Liu's work showcases his expertise and innovative spirit.
Latest Patents
Liu's latest patents include a transmission line phase shifter, system, chip, and radar sensor. This invention features a transmission line phase shifter that comprises at least one phase-shifting unit. During the calibration stage, a preset number of these units are configured to output an RF signal, allowing for the determination of phase calibration information. In the operational stage, the phase adjusting circuit receives a control signal to shift the phase of an input RF signal by a calibrated first or second phase.
Another notable patent is the radio frequency inverter, which includes a transmission line phase shifter, system, chip, and radar sensor. This RF inverter is designed with an inductance circuit and a first phase adjusting circuit arranged symmetrically. The inductance circuit features both single-ended and differential signal interfaces, enabling in-phase or inverting phase shifting on received RF signals.
Career Highlights
Zhengdong Liu is currently employed at Calterah Semiconductor Technology (Shanghai) Co., Ltd. His role at the company allows him to apply his innovative ideas and contribute to cutting-edge technology in the semiconductor industry.
Collaborations
Liu has collaborated with notable coworkers, including Tao Liu and Wenting Zhou. Their combined efforts in research and development have further advanced the projects they are involved in.
Conclusion
Zhengdong Liu's contributions to semiconductor technology through his patents and collaborations highlight his role as an influential inventor in the field. His innovative work continues to shape the future of RF systems and semiconductor applications.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.