GENEVA, May 9 -- QINGDAO HISENSE HITACHI AIR-CONDITIONING SYSTEMS CO., LTD. (No. 218 Qianwangang Road, Economic And Technical Development ZoneQingdao, Shandong 266510), 青岛海信日立空调系统有限公司 (中国山东省青岛市经济技术开发区前湾港路218号) filed a patent application (PCT/CN2025/079930) for "MOTOR CONTROL APPARATUS, AIR CONDITIONER, CONTROL METHOD FOR MOTOR IN REFRIGERATION DEVICE, AND REFRIGERATION DEVICE" on Feb 28, 2025. With publication no. WO/2026/091353, the details related to the patent application was published on May 07, 2026. ...