ALEXANDRIA, Va., June 16 -- United States Patent no. 12,305,305, issued on May 20, was assigned to Honda Motor Co. Ltd. (Tokyo).

"Electrochemical hydrogen compressor" was invented by Shoji Takasugi (Wako, Japan) and Hiroshi Yoshimura (Wako, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electrochemical hydrogen compressor comprises a unit cell that includes: an electrolyte membrane having hydrogen ion conductivity; an anode current collector stacked on one main surface side of the electrolyte membrane, a support member (for example, a flow field member or an anode separator) arranged so as to face the anode current collector; and a cathode current collector stacked on another main surface side of th...