ALEXANDRIA, Va., June 10 -- United States Patent no. 12,291,612, issued on May 6, was assigned to TORAY INDUSTRIES Inc. (Tokyo).
"Fiber-reinforced resin base material" was invented by Naoya Ouchiyama (Nagoya, Japan), Masayuki Koshi (Nagoya, Japan) and Yoshihiro Naruse (Nagoya, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fiber-reinforced resin base material includes continuous reinforcing fibers or a reinforcing fiber base material in which discontinuous fibers are dispersed, the continuous reinforcing fibers or a reinforcing fiber base material being impregnated with a polyphenylene sulfide resin composition, wherein the fiber-reinforced resin base material has a glass-transition temperature, as m...