This inventor holds 2 USPTO granted patents and 1 published patent application. Top assignees: Changchun Institute of Optics, Fine Mechanics and Physics, Academy of Sciences, Chinese Academy of Sciences. Active years: 2024-2025.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:

Years Active: 2024-2025
Title: Innovations of Hongzhu Yu
Introduction
Hongzhu Yu is a notable inventor based in Changchun, China. He has made significant contributions to the field of optical measurement technology. With a total of 2 patents, his work focuses on advanced measuring devices that utilize unique optical principles.
Latest Patents
Hongzhu Yu's latest patents include the "Heterodyne Two-Dimensional Grating Measuring Device and Measuring Method Thereof." This invention features a light source that generates two beams of linearly polarized light with overlapping characteristics, polarization orthogonality, and a fixed frequency difference. The reading head receives these beams, which interact with a moving two-dimensional measuring grating to produce ±1-order diffracted lights. The photoelectric receiving module then generates beat frequency signals, allowing for precise displacement measurements through differential calculations.
Another significant patent is the "Heterodyne One-Dimensional Grating Measuring Device and Measuring Method Thereof." This device also employs a light source that produces two linearly polarized lights. The reading head captures these beams as they interact with a moving measuring grating, generating +1-order and -1-order diffracted lights. The photoelectric receiving module processes these signals to achieve accurate displacement measurements through a signal processing system.
Career Highlights
Hongzhu Yu has worked at prestigious institutions such as the Changchun Institute of Optics, Fine Mechanics and Physics, and the Chinese Academy of Sciences. His experience in these organizations has contributed to his expertise in optical technologies and measurement systems.
Collaborations
Throughout his career, Hongzhu Yu has collaborated with notable colleagues, including Rigalantu Ji and Xuefeng Yao. These partnerships have fostered innovation and advancements in their respective fields.
Conclusion
Hongzhu Yu's contributions to optical measurement technology through his patents and career achievements highlight his role as a significant inventor in the field. His innovative devices continue to influence advancements in measurement techniques.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile