ALEXANDRIA, Va., April 7 -- United States Patent no. 12,594,611, issued on April 7, was assigned to KYOCERA Corp. (Kyoto, Japan).

"Rotary tool and method for manufacturing machined product" was invented by Yusaku Takatake (Higashiomi, Japan) and Masahiro Yoshida (Higashiomi, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A rotary tool may include a base. The base may be extended from a first end to a second end. The base may include a first part and a second part. The first part may include the first end. The second part may have a larger outer diameter than the first part. The first part may include a first flute. The second part may include a second flute. In a first cross section of the first part, ...