This inventor holds 20 USPTO granted patents and 5 published patent applications and 3 EPO patents. Top assignees: Sichuan University, Southwest Petroleum University, Freescale Semiconductor,inc.. Active years: 2008-2026.
Location History:
- Sichuan, CN (2008 - 2016)
- Chengdu, CN (2014 - 2024)
Company Filing History:
7 out of 260 
4 out of 345 
2 out of 5,491 
Years Active: 2008-2026
Title: Innovations of Jun Li in Rare Earth Permanent Magnets
Introduction
Jun Li is a prominent inventor based in Chengdu, China, known for his significant contributions to the field of rare earth permanent magnets. With a total of 16 patents to his name, he has made remarkable advancements in the preparation and application of anisotropic nanocrystalline materials.
Latest Patents
Among his latest patents is the invention of an anisotropic nanocrystalline rare earth permanent magnet and its preparation method. This innovation involves a rare earth permanent magnet that includes an RE-Fe—B matrix phase and a second phase. The RE-Fe—B matrix phase consists of main phase REFeB flaky nanocrystallines that are regularly arranged, with an average grain size in the length direction ranging from 70 nm to 800 nm and in the thickness direction from 30 nm to 200 nm. The second phase includes at least one component selected from the group consisting of an M-Cu phase and an M-Cu—O phase, where M is at least one element from calcium and magnesium. Another notable patent is the method for preparing anisotropic flake nanocrystalline rare earth permanent magnet material. This method includes several steps, such as the preparation of a precursor flake nanocrystal magnetic powder and orientation treatment through hot deformation to ensure the regular arrangement of flake nanocrystals.
Career Highlights
Jun Li has held positions at notable institutions, including Sichuan University and Southwest Petroleum University. His work at these universities has allowed him to engage in cutting-edge research and development in the field of materials science.
Collaborations
Some of his notable coworkers include Ximiao Cao and Bin Wang, who have collaborated with him on various projects related to his patents and research.
Conclusion
Jun Li's innovative work in the field of rare earth permanent magnets has significantly advanced the technology and applications of these materials. His contributions continue to influence the industry and inspire future research in this area.