GENEVA, April 5 -- AAC TECHNOLOGIES (NANJING) CO., LTD. (8th Floor, R&D Building, Emerging Industry Incubation Base, Nanda Science Park, Yuanhua road, Xianlin University Town Qixia districtNanjing, Jiangsu 210046), 瑞声科技（南京）有限公司 (中国江苏省南京市栖霞区仙林大学城元化路南大科学园新兴产业孵化基地研发楼8层) filed a patent application (PCT/CN2023/122794) for "LOUDSPEAKER" on Sep 28, 2023. With publication no. WO/2025/065587, the details related to the ...