Qian Zhan Wang·2026-02-10 05:12Group 1 - The core viewpoint of the article highlights the increasing investment and research activity in the brain-computer interface (BCI) industry in China, with a focus on key companies and patent trends [1][4][5] Group 2 - The research and development investment in the BCI industry by listed companies in China is steadily increasing from 2020 to 2024, indicating a strengthening of R&D efforts [1] - The number of patent applications in China's BCI industry showed a steady growth trend, peaking at 258 applications in 2021, followed by a decrease to 209 applications in 2024 [4] - Tianjin University is identified as the leading patent applicant in the BCI sector, with a total of 126 related patents, followed by South China University of Technology and Xi'an Jiaotong University with 80 and 78 patents respectively [5][7] - The most popular technology patents in the BCI industry are in the category of electrical digital data processing (G06F), with a total of 1,013 patents, followed by diagnostic and surgical technologies (A61B) with 712 patents, and specific computing models (G06N) with 313 patents [8]