US Patent Issued to SUMITOMO ELECTRIC HARDMETAL on Oct. 27 for "Rotary cutting tool" (Japanese Inventor)

ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,773,742, issued on Oct. 27, was assigned to SUMITOMO ELECTRIC HARDMETAL CORP. (Hyogo, Japan).

"Rotary cutting tool" was invented by Yuma Miyazaki (Hyogo, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A rotary cutting tool includes a first cutting blade, a second cutting blade, a third cutting blade, a fourth cutting blade, and a fifth cutting blade on a circumference, in which a rotation angle from the first cutting blade to the second cutting blade is 60plus-minus1deg, a rotation angle from the second cutting blade to the third cutting blade is 75plus-minus1deg, a rotation angle from the third cutting blade to the fourth cutting blade is 60plus-...