ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,416, issued on June 17, was assigned to Panasonic Intellectual Property Management Co. Ltd. (Osaka, Japan).

"Compression apparatus for hydrogen-containing gas utilizing an anode separator arrangement" was invented by Osamu Sakai (Osaka, Japan), Hiromi Kita (Nara, Japan), Takashi Kakuwa (Osaka, Japan) and Takayuki Nakaue (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A compression apparatus includes an electrolyte membrane, an anode provided on a first principal surface of the electrolyte membrane, a cathode provided on a second principal surface of the electrolyte membrane, an anode separator provided on the anode, a cathode separator ...