INTERNATIONAL PATENT: CHIPSEA TECHNOLOGIES (SHENZHEN) CORP., 芯海科技（深圳）股份有限公司, XI'AN CHIPSEA MICROELECTRONICS TECHNOLOGY CO., LTD., 西安芯海微电子科技有限公司 FILES APPLICATION FOR "MOTOR ROTATION SPEED CONTROL METHOD, MOTOR ROTATION SPEED CONTROL CIRCUIT, CHIP AND ELECTRONIC DEVICE"

GENEVA, March 16 -- CHIPSEA TECHNOLOGIES (SHENZHEN) CORP. (301, Block 1, Shenzhen Bay Innovation and Technology Centre, Keyuan Avenue, high tech Zone community, Yuehai Subdistrict, Nanshan DistrictShenzhen, Guangdong 518000), 芯海科技（深圳）股份有限公司 (中国广东省深圳市南山区粤海街道高新区社区科苑大道深圳湾创新科技中心1栋301), XI'AN CHIPSEA MICROELECTRONICS TECHNOLOGY CO., LTD. (Room 1002, 10th floor, North building, Phase II, Taiwei intelligent chain cent...