ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,179, issued on June 17, was assigned to ZEON Corp. (Tokyo).

"Methods of evaluating and producing composite material, and composite material" was invented by Kazuki Takagi (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a technique for quantitatively evaluating a disentanglement state of fibrous carbon nanostructures in a composite material by a simple method. A method of evaluating a composite material containing a polymer and fibrous carbon nanostructures includes: a step (A) of heating the composite material in an inert gas atmosphere to remove a polymer component from the composite material and obtain a polymer-removed product; ...