GENEVA, July 7 -- ANHUI ORINFIN ACOUSTIC SCIENCE & TECHNOLOGY CO., LTD (Room 302, North Side, 3rd Floor, Research Building 1, Area A, China (Hefei) International Intelligent Speech Industrial Park, 3333 Xiyou Road, High-Tech ZoneHefei, Anhui 230088), 安徽奥飞声学科技有限公司 (中国安徽省合肥市高新区习友路3333号中国(合肥)国际智能语音产业园A区1号楼科研楼3层北侧302室) filed a patent application (PCT/CN2024/136235) for "PIEZOELECTRIC MEM...