Company Filing History:
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Years Active: 2019-2025
Title: Nannan Li: Innovator in Laser Technology and Video Analysis
Introduction
Nannan Li is a prominent inventor based in Shenzhen, China. He has made significant contributions to the fields of laser technology and video analysis. With a total of three patents to his name, his work reflects a commitment to advancing technology and improving methodologies in his areas of expertise.
Latest Patents
Nannan Li's latest patents include a vertical cavity surface emitting laser structure and a manufacturing method thereof. This innovative structure features a substrate layer, a lower N-type DBR, an active region, an upper N-type DBR, and a mixed dielectric DBR arranged in a coaxial elliptical cylinder formation. The design incorporates a second-class tunnel junction, enhancing the efficiency of the laser.
Another notable patent is a method for detecting violent incidents in video based on a hypergraph transition model. This method involves extracting foreground target tracks and establishing a hypergraph to describe spatial relationships of feature points. It effectively models the transition of hypergraphs over time, making it sensitive to irregular behaviors in video footage, which is crucial for detecting violent incidents.
Career Highlights
Throughout his career, Nannan Li has worked with esteemed institutions such as Peking University and Shenzhen Technology University. His experience in these academic environments has allowed him to collaborate with other talented individuals and contribute to groundbreaking research.
Collaborations
Some of Nannan Li's notable coworkers include Ge Li and Jingjia Huang. Their collaborative efforts have likely played a role in the development of his innovative patents and research projects.
Conclusion
Nannan Li's contributions to laser technology and video analysis demonstrate his innovative spirit and dedication to advancing these fields. His patents reflect a deep understanding of complex systems and a commitment to improving technology for practical applications.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.