ALEXANDRIA, Va., June 25 -- United States Patent no. 12,338,140, issued on June 24, was assigned to National Chung Cheng University (Minsyong Township, Chiayi County, Taiwan).

"Method for removing heavy metal from water" was invented by Chien-Yen Chen (Minsyong Township, Chiayi County, Taiwan), Yi-Hsun Huang (Minsyong Township, Chiayi County, Taiwan), Pin-Yun Lin (Minsyong Township, Chiayi County, Taiwan), Anggraeni Kumala Dewi (Minsyong Township, Chiayi County, Taiwan), Koyeli Das (Minsyong Township, Chiayi County, Taiwan), Uttara Sukul (Minsyong Township, Chiayi County, Taiwan), Tsung-Hsien Chen (Minsyong Township, Chiayi County, Taiwan), Raju Kumar Sharma (Minsyong Township, Chiayi County, Taiwan), Cheng-Kang Lu (Minsyong Township, Chia...