This inventor holds 1 USPTO granted patent. Top assignees: Electric Power Research Institute, China Southern Power Grid, Shanghai Huaming Power Equipment Co., Ltd. Active years: 2025.
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 18 
1 out of 6 Years Active: 2025
Title: The Innovative Contributions of Ruihai Li
Introduction
Ruihai Li is a notable inventor based in Guangdong, China. He has made significant contributions to the field of power electronics, particularly with his innovative designs and patents. His work focuses on enhancing the efficiency and functionality of electronic devices.
Latest Patents
Ruihai Li holds a patent for a "Passive triggered-power electronic tap-changer device and contact device." This invention discloses a passive triggered-power electronic tap-changer device that includes two taps, a main contact, two auxiliary contacts, two trigger contacts, an output terminal, two thyristors, and four voltage divider resistors. The design allows for the passive triggering of a power electronic switch by controlling the auxiliary and trigger contacts. Additionally, the contact device for the passive triggered-power electronic tap-changer comprises at least two stationary contacts, a main contact, two thyristor trigger contacts, two thyristor auxiliary contacts, and a drive shaft. This innovative design enables the switching of the power electronic switch to different stationary contacts while maintaining the switching time sequence of passive triggering.
Career Highlights
Throughout his career, Ruihai Li has worked with several prominent organizations. He has been associated with the Electric Power Research Institute, China Southern Power Grid, and Shanghai Huaming Power Equipment Co., Ltd. His experience in these companies has contributed to his expertise in power electronics and innovation.
Collaborations
Ruihai Li has collaborated with notable professionals in his field, including Yao Yuan and Shuaibing Wang. These collaborations have further enriched his work and contributed to advancements in power electronic technologies.
Conclusion
Ruihai Li's contributions to the field of power electronics through his innovative patents and collaborations highlight his role as a significant inventor. His work continues to influence the development of efficient electronic devices.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile