This inventor holds 2 USPTO granted patents and 1 published patent application. Top assignee: Guangdong University of Technology. 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:
Years Active: 2025-2026
Title: Lijuan Zheng: Innovator in Cutting Tool Technology
Introduction
Lijuan Zheng is a prominent inventor based in Guangzhou, China. She has made significant contributions to the field of cutting tool technology, holding 2 patents that showcase her innovative approach to materials and design.
Latest Patents
One of her latest patents is titled "Silicon nitride ceramic tool comprising diamond film and method of preparing the same." This invention features a cutting tool that includes a silicon nitride (SiN) ceramic substrate with a diamond film coated on its surface. The diamond film has a thickness ranging from 7 to 12 μm. The cutting tool is designed with a tool nose, a blade, and a handle. The blade has specific angles, including a rake angle γ of 5-15°, a clearance angle α of 10-14°, and a helix angle of 15-45°. Notably, the blade incorporates four cutting edges.
Another significant patent is "Coated cutting tool and preparation method thereof." This invention pertains to a cutting tool designed for machining titanium alloy or superalloy, which features a Me-B-N coating. The Me-B-N coating consists of Me1-B-N, where Me1 includes one or more transition metal elements such as Hf, V, Nb, Ta, and Mo. The atomic percentages of each element are carefully defined, ensuring optimal performance. The coating may also include Me1-Me2-B-N, with Me2 being selected from other transition metal elements.
Career Highlights
Lijuan Zheng is affiliated with the Guangdong University of Technology, where she continues to advance her research and development in cutting tool technologies. Her work has garnered attention for its practical applications in various industries.
Collaborations
She collaborates with notable colleagues, including Qimin Wang and Chengyong Wang, who contribute to her research endeavors.
Conclusion
Lijuan Zheng's innovative patents and her role at Guangdong University of Technology highlight her significant impact on cutting tool technology. Her contributions are paving the way for advancements in machining processes and materials.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile