ALEXANDRIA, Va., July 30 -- United States Patent no. 12,370,023, issued on July 29, was assigned to STAR GENERATION Ltd. (New Taipei, Taiwan).

"Sinus dental implant" was invented by Chun-Leon Chen (Taipei, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A sinus dental implant includes a main body, an external thread, and a plurality of spiral cutting flutes. The main body has opposite connection end and drilling end. The drilling end has a centered recess surrounded by a drilling zone and communicable with the spiral cutting flutes. The external thread and the spiral cutting flutes are extended in two different spiral directions. The drilling zone is divided by the spiral cutting flutes into a pluralit...