ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,528,924, issued on Jan. 20, was assigned to TORAY INDUSTRIES Inc. (Tokyo).
"Reinforcing-fiber composite material" was invented by Katsuhiro Miyoshi (Nagoya, Japan), Tadashi Watanabe (Nagoya, Japan) and Yasukazu Ono (Nagoya, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A reinforcing-fiber composite material includes not less than 20 wt % but less than 70 wt % of discontinuous reinforcing fibers, and a matrix resin, wherein at least a portion of the discontinuous reinforcing fibers forms a fiber aggregation, and at least one bundle of the fiber aggregation has a surface that, when projected onto a two-dimensional plane, has at least one region whe...