This inventor holds 6 USPTO granted patents and 5 published patent applications. Top assignees: Qingdao University of Technology, Qingdao Huanghai University, Qingdao Jimo Qingli Intelligent Manufacturing Industry Research Institute. Active years: 2025-2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
6 out of 171 
3 out of 6 
3 out of 6 Years Active: 2025-2026
Title: Changhe Li: Innovator in Medical Instruments and Lubrication Technology
Introduction
Changhe Li is a notable inventor based in Shandong, China. He has made significant contributions to the fields of medical instruments and lubrication technology. With a total of 6 patents, his work showcases innovative solutions that address practical challenges in these industries.
Latest Patents
One of Changhe Li's latest patents is the "Biomimetic desert beetle self-transporting bone microgrinding head and preparation process thereof." This invention relates to medical instruments and features a microgrinding head that includes a hydrophobic matrix or a matrix with a hydrophobic plating layer. The design incorporates a hydrophobic surface with uniformly distributed hydrophilic abrasive particles. The preparation process involves selecting diamond abrasive particles, conducting oxidization treatment, and forming a hydrophobic matrix using laser scanning. This microgrinding head is designed to cool rapidly and effectively transport cooling medium droplets to a grinding arc region.
Another significant patent is the "Turning apparatus with minimal quantity lubrication based on magnetic circulation and ultrasound-assisted infiltration." This apparatus includes a turning tool equipped with a 2D ultrasonic auxiliary device, along with magnetic circulation nozzles for lubricant channels. The innovative design aims to enhance lubrication efficiency during turning operations, utilizing magnetic circulation and ultrasound-assisted infiltration techniques.
Career Highlights
Changhe Li has worked with reputable organizations such as Qingdao University of Technology and Hanergy (Qingdao) Lubrication Technology Co., Ltd. His experience in these institutions has allowed him to develop and refine his innovative ideas, contributing to advancements in technology.
Collaborations
Throughout his career, Changhe Li has collaborated with talented individuals, including Min Yang and Zongming Zhou. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies.
Conclusion
Changhe Li's contributions to medical instruments and lubrication technology highlight his innovative spirit and dedication to solving real-world problems. His patents reflect a commitment to advancing technology for practical applications.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile