ALEXANDRIA, Va., April 21 -- United States Patent no. 12,608,552, issued on April 21, was assigned to TOYOTA RESEARCH INSTITUTE INC. (Los Altos, Calif.) and TOYOTA JIDOSHA K.K. (Aichi-Ken, Japan).

"Prompt chaining system for generative artificial intelligence systems" was invented by Matthew Kyung-Soo Hong (Mountain View, Calif.), Yin-Ying Chen (San Jose, Calif.) and Yanxia Zhang (Foster City, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for processing text prompts includes identifying a set of elements in a text prompt that form a basis for a generative output. The method also includes identifying an element of the set of elements that satisfy a refinement condition. The method further inc...