US Patent Issued to TORAY INDUSTRIES on March 31 for "Fiber-reinforced composite material and method for producing prepreg" (Japanese Inventors)

ALEXANDRIA, Va., March 31 -- United States Patent no. 12,589,580, issued on March 31, was assigned to TORAY INDUSTRIES Inc. (Tokyo).

"Fiber-reinforced composite material and method for producing prepreg" was invented by Takashi Ochi (Iyo-gun, Japan) and Yoshikazu Kono (Iyo-gun, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A fiber-reinforced composite material including reinforcing fiber layers and a resin layer sandwiched therebetween, wherein conductive particles having a sphericity of 85% or more are disposed in the resin layer, and the fiber-reinforced composite material has a portion where upper and lower reinforcing fiber layers are connected by one conductive particle and has a portion where a ...