ALEXANDRIA, Va., June 9 -- United States Patent no. 12,649,833, issued on June 9, was assigned to SHIN-ETSU CHEMICAL Co. LTD. (Tokyo).
"Carbon fiber composite material" was invented by Toshio Shiobara (Tokyo) and Ryo Tanaka (Annaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a carbon fiber composite material having an electromagnetic wave shielding property and an excellent impact resistance. The carbon fiber composite material has one or more carbon fiber layers and one or more carbon nanotube unwoven cloth layers, wherein at least one of the carbon fiber and carbon nanotube unwoven cloth layers in the carbon fiber composite material is impregnated with a heat-curable resin or has a he...