US Patent Issued to Guangdong University of Technology on April 29 for "Method for manufacturing a humidity alarm device based on laser-induced graphene" (Chinese Inventors)

ALEXANDRIA, Va., June 9 -- United States Patent no. 12,286,354, issued on April 29, was assigned to Guangdong University of Technology (Guangzhou, China).

"Method for manufacturing a humidity alarm device based on laser-induced graphene" was invented by Yun Chen (Guangzhou, China), Bin Xie (Guangzhou, China), Yuanhui Guo (Guangzhou, China), Hao Zhang (Guangzhou, China), Maoxiang Hou (Guangzhou, China), Li Ma (Guangzhou, China) and Xin Chen (Guangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for manufacturing a humidity alarm device based on laser-induced graphene is performed as follows. Carbon-based films are coated with a hydroxide ion-containing solution and processed by a laser devi...