According to the inquiry law network, as of October 23rd, 2023/kloc-0, the plaintiff Xuzhou Guangyin Technology Development Co., Ltd. and the defendants Nanjing University of Aeronautics and Astronautics and Li Ang had a case number of 2022 Su 0 1 No.3637 at the beginning of the Republic of China, and the cause of the case was a dispute over the ownership of the patent application right.