ALEXANDRIA, Va., Feb. 5 -- United States Patent no. 12,214,428, issued on Feb. 4, was assigned to KYOCERA Corp. (Kyoto, Japan).
"Insert and cutting tool including same" was invented by Ayano Tanaka (Otsu, Japan) and Ryoma Nomiyama (Satsumasendai, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An insert includes a base of a cermet including hard particles and a binder phase. The base includes first and second surfaces, a cutting edge on at least a part of a ridge line of the first and second surfaces, a third surface opposite to the first surface, and a through hole from the first surface to the third surface. An inner wall constituting the through hole includes a binder-phase-riched layer having a high...