ALEXANDRIA, Va., May 5 -- United States Patent no. 12,617,333, issued on May 5, was assigned to KOITO MANUFACTURING Co. LTD. (Tokyo).

"Lamp controller and automotive lamp system" was invented by Masashi Kato (Shizuoka, Japan) and Hirotaka Sawada (Shizuoka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A drawing processing unit generates multi-gradation light distribution image data that defines a light distribution. The image processing unit executes multiple software processes sequentially. The drawing processing unit self-diagnoses the presence or absence of an abnormality for each software process. The drawing processing unit transmits first diagnostic data that indicates the self-diagnosis results...