ALEXANDRIA, Va., Feb. 5 -- United States Patent no. 12,213,412, issued on Feb. 4, was assigned to Hunan Agriculture University (Changsha, China).

"Method for micro-ridge mixed-sowing cultivation of rice" was invented by Huang Huang (Changsha, China), Yin Zhang (Changsha, China), Ren Wang (Changsha, China), Xiangsheng Gong (Changsha, China), Zhiqiang Fu (Changsha, China), Can Chen (Changsha, China), Zhengjun Yu (Changsha, China), Jingyi Li (Changsha, China), Yugang Liang (Changsha, China), Jiaolong Ding (Changsha, China), Xiangjie Meng (Changsha, China), Dan Wu (Changsha, China), Yao Huang (Changsha, China) and Xiaolan Liao (Changsha, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for micro-rid...