Location History:
- Zhejiang, CN (2016)
- ZheJiang Province, CN (2017)
- Hangzhou, CN (2015 - 2023)
Company Filing History:
Years Active: 2015-2024
Title: Innovations of Yunlong Han
Introduction
Yunlong Han is a prominent inventor based in Hangzhou, China. He has made significant contributions to the field of semiconductor technology, particularly in the development of driving circuits and control methods for resonant converters. With a total of 16 patents to his name, Han continues to push the boundaries of innovation in his industry.
Latest Patents
One of Han's latest patents is a driving circuit and driving method designed for piezoelectric loads. This invention includes an energy-storage capacitor and a first power stage circuit that converts an input voltage into a first voltage, which is then stored in the energy-storage capacitor. The second power stage circuit charges the piezoelectric load during a specific operation interval, ensuring that the power supply voltage signal corresponds to a reference voltage. Additionally, a discharging circuit is included to discharge the piezoelectric load during another operation interval, maintaining the reference voltage.
Another notable patent is a control circuit for a resonant converter. This control circuit is designed to adjust the conduction time of a power switch and its corresponding synchronous rectifier switch in a resonant period detection mode. It effectively controls the resonance current to cross zero twice during the conduction time of the synchronous rectifier switch, thereby obtaining a resonant period of the resonant converter.
Career Highlights
Yunlong Han is currently employed at Silergy Semiconductor Technology (Hangzhou) Ltd. His work at this company has allowed him to focus on innovative solutions in semiconductor technology. His expertise and dedication have led to the successful development of multiple patents that enhance the efficiency and functionality of electronic devices.
Collaborations
Han has collaborated with notable coworkers, including Xiaoru Xu and Huiqiang Chen. Their combined efforts have contributed to the advancement of technology in their field.
Conclusion
Yunlong Han is a distinguished inventor whose work in semiconductor technology has resulted in numerous patents. His innovative contributions continue to shape the industry and inspire future advancements.
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.