ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,427,680, issued on Sept. 30, was assigned to Olfa Corp. (Osaka, Japan).
"Safety cutter knife" was invented by Yosuke Takashima (Suita, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A safety cutter knife of the present disclosure includes a blade part that includes a blade, a guard attached to one end of the blade, and a head on which the blade is fixed and that has a cutting edge of the blade being exposed between the guard and the head, and a grip part that detachably holds the head in the state where the cutting edge of the blade and the guard in the blade part protrude."
The patent was filed on July 12, 2021, under Application No. 18/031,777...