GENEVA, June 29 -- AAC MICROTECH (CHANGZHOU) CO., LTD. (No. 3 Changcao Road, Hi-tech Industrial Zone, Wujin DistrictChangzhou, Jiangsu 213167), 瑞声光电科技（常州）有限公司 (中国江苏省常州市武进高新技术产业开发区常漕路3号) filed a patent application (PCT/CN2023/140461) for "COAXIAL LOUDSPEAKER" on Dec 21, 2023. With publication no. WO/2025/129536, the details related to the patent application was published on Jun 26, 2025.
Notably, the patent application was submitted under the International Patent Classification (IPC) sy...