ALEXANDRIA, Va., May 12 -- United States Patent no. 12,623,177, issued on May 12, was assigned to Honda Motor Co. Ltd. (Tokyo).

"Carbon dioxide removal apparatus, carbon dioxide desorption determination method, and carbon dioxide separation method" was invented by Toshiyuki Inaba (Saitama, Japan), Shumon Hoshino (Saitama, Japan) and Masanobu Takazawa (Saitama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a carbon dioxide removal apparatus that enables determination of whether or not carbon dioxide has desorbed from an adsorbent without using a carbon dioxide sensor. A carbon dioxide removal apparatus includes a carbon dioxide adsorption module, a first valve provided in an intake part of ...