ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,472,457, issued on Nov. 18, was assigned to DENSO Corp. (Kariya, Japan).

"Gas recovery system and method of manufacturing electrode film" was invented by Shota Kinoshita (Nisshin, Japan), Shigehiko Sugiura (Nisshin, Japan), Atsuhito Ota (Nisshin, Japan), Hironori Tatsumi (Kariya, Japan) and Nobuhiko Matsuda (Kariya, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A gas recovery system configured to recover a recovery target gas from a gas mixture includes electrochemical cells and a gas passage between the electrochemical cells. The electrochemical cell has a working electrode including an adsorbent, and a counter electrode configured to exchange e...