ALEXANDRIA, Va., June 9 -- United States Patent no. 12,287,492, issued on April 29, was assigned to Enplas Corp. (Saitama, Japan).
"Light flux controlling member and metal mold" was invented by Takahiro Izawa (Saitama, Japan) and Satoshi Oshima (Saitama, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a light flux controlling member that can determine the center of a lens surface (light flux control surface) that does not have a circular outer edge in plan view. A light flux controlling member of the present invention includes: a light flux control surface including an outer edge with a shape that is drawn by a point A when a straight line connecting a point O and the poin...