Company Filing History:
2 out of 29 
2 out of 4,301 
Years Active: 2022-2025
Title: Innovations by Inventor Hongwen Li
Introduction
Hongwen Li is a notable inventor based in Zhejiang, China. He has made significant contributions to the field of physiological parameter detection through his innovative inventions. With a total of two patents to his name, Li's work focuses on enhancing the accuracy and efficiency of physiological signal detection.
Latest Patents
One of his latest patents is the "Transduction unit of non-contact human sleep physiological parameter detection sensor." This invention includes a circuit board, a piezoelectric film, and conductive adhesives. The piezoelectric film consists of a film sheet and two electrodes, which are arranged on the side faces of the film sheet. The film is attached to the circuit board, and the electrodes are electrically connected to exposed pad electrodes on the circuit board using conductive adhesives.
Another significant patent is the "Integrated physiological signal detection sensor." This sensor comprises a movable housing member, a fixed housing member, and a sensing unit circuit board. The two housing members connect to form an internal space, with the sensing unit circuit board fixedly installed on the fixed housing member. A piezoelectric film is attached to the sensing unit circuit board, surrounded by a hollowed-out region. A protrusion on the movable housing member corresponds to the piezoelectric film. This invention simplifies sensor installation, improves signal integrity, and enhances data detection accuracy.
Career Highlights
Hongwen Li has worked with Keeson Technology Corporation Limited and Tsinghua University, where he has further developed his expertise in sensor technology and physiological parameter detection. His work has been instrumental in advancing the field and providing innovative solutions.
Collaborations
Some of his notable coworkers include Huafeng Shan and Kaimin Cao, who have collaborated with him on various projects.
Conclusion
Hongwen Li's contributions to the field of physiological parameter detection through his innovative patents demonstrate his commitment to advancing technology. His work continues to influence the industry and improve the accuracy of physiological signal detection.