ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,506,327, issued on Dec. 23, was assigned to MAGNOLIA WHITE Corp. (Tokyo).
"Illumination device" was invented by Shinichi Komura (Tokyo), Koichi Okuda (Tokyo), Ken Onoda (Tokyo) and Hiroaki Kijima (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "According to one embodiment, an illumination device includes a light guide including an upper surface, a lower surface and a light entering surface, a first light emitting portion, a second light emitting portion, and a third light emitting portion. A first surface, a second surface, a third surface and a fourth surface of the upper surface are arranged in this order in a first direction. A width of the firs...