ALEXANDRIA, Va., July 16 -- United States Patent no. 12,669,641, issued on June 30, was assigned to TOYODA GOSEI Co. LTD. (Aichi-pref, Japan).
"Illumination device" was invented by Kazuma Muramatsu (Aichi-ken, Japan), Akitoshi Naganawa (Aichi-ken, Japan) and Itsuhiko Hirota (Aichi-ken, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An illumination device is to be provided in a steering wheel. The illumination device includes a substrate provided with a light emitting element on a surface of the substrate, a cover member that forms a part of an outer surface of the steering wheel and has light transmission of emitting visible light output from the light emitting element to an outside of the steering whe...