ALEXANDRIA, Va., June 9 -- United States Patent no. 12,285,732, issued on April 29, was assigned to IHI Corp. (Tokyo).

"Unsaturated hydrocarbon production apparatus" was invented by Hiroyuki Kimura (Tokyo), Satoshi Seo (Tokyo), Shinsuke Matsuno (Tokyo) and Tomoya Muramoto (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An unsaturated hydrocarbon production apparatus includes: a light collecting device configured to collect sunlight, and to convert the sunlight into solar heat; and a heating furnace configured to heat a raw material gas containing at least any one selected from the group consisting of methane and hydrogen, methane and oxygen, and ethane with the solar heat generated by the light collect...