ALEXANDRIA, Va., March 3 -- United States Patent no. 12,564,875, issued on March 3, was assigned to OLYMPUS Corp. (Tokyo).
"Method of manufacturing ultrasonic treatment tool" was invented by Tsunetaka Akagane (Hachioji, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a method of manufacturing a vibration transmission member for an ultrasonic treatment tool. The method includes: applying a release agent between a surface of a vibration transmission member configured to transmit ultrasonic vibration and a die for hot forging; performing hot forging to form the vibration transmission member after the applying of the release agent; removing, after the performing of the hot forging, a part of an ...