ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,458,217, issued on Nov. 4, was assigned to Panasonic Intellectual Property Management Co. Ltd. (Osaka, Japan).
"Light emitting device and medical device using same" was invented by Takeshi Abe (Osaka, Japan), Shozo Oshio (Osaka, Japan) and Mitsuru Nitta (Kyoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A light emitting device is a light emitting device for use in a photodynamic therapy. The light emitting device includes: a solid-state light-emitting element that emits primary light in which an energy density is 0.5 W/mm2 or more; and a wavelength converter including a first phosphor that emits first wavelength-converted light. The first wavel...