ALEXANDRIA, Va., June 19 -- United States Patent no. 12,329,571, issued on June 17, was assigned to GUANGZHOU AIYUNJI INFORMATION TECHNOLOGY Co. LTD. (Guangzhou, China).

"Method and apparatus for identification of imaging quality of fetal ultrasound images" was invented by Hongning Xie (Guangdong, China), Nan Wang (Guangdong, China), Jianbo Xian (Guangdong, China), Zhe Liang (Guangdong, China), Jielin Wu (Guangdong, China) and Shuyu Liu (Guangdong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed in the present invention are a method and an apparatus for identification of imaging quality of fetal ultrasound images, the method including: acquiring parameters of fetal ultrasound images, used for ...