ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,478,461, issued on Nov. 25.
"Laser device for dentistry" was invented by Jui Yuan Shih (Changhua County, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A laser device for dentistry has a body, a light source group, and a light guiding pipe. The body has an outer casing, an operating module, and a controlling module. The light source group is disposed in the body and has multiple light-emitting elements, a reflector, a collimating lens, and a focusing lens. Each light-emitting element is a laser diode, is disposed at a connecting portion of the body and is electrically connected to the controlling module. The reflector is mounted around the light-...