ALEXANDRIA, Va., May 5 -- United States Patent no. 12,618,773, issued on May 5, was assigned to ZHEJIANG UNIVERSITY (Hangzhou, China) and ZHEJIANG KEPLER TECHNOLOGY Co. LTD. (Jiaxing, China).

"Spectrometer for detecting trace element in agricultural product and use thereof" was invented by Lijuan Xie (Hangzhou, China), Yingjie Zheng (Hangzhou, China), Yibin Ying (Hangzhou, China) and Lin Li (Hangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A spectrometer for detecting a trace element in an agricultural product and use thereof is provided. The spectrometer includes: a light source device configured to generate light required by spectroscopic detection; a convergence device configured to converge...