ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,481,911, issued on Nov. 25, was assigned to Ko-Hui Michael Fan (Taipei, Taiwan).

"Loyalty extraction machine" was invented by Ko-Hui Michael Fan (Taipei, Taiwan), Chih-Chung Chang (Taipei, Taiwan) and Kuang-Hsiao-Yin Kongguoluo (Taipei, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a loyalty extraction machine, wherein "quadratic multiform separation" (QMS) is modified and executed multiplicatively in an even generalized way. In each execution, the characteristic of one single membership is either enhanced or reduced. This process is performed in turn to each membership. Thus, every sample data (or element) receive...