ALEXANDRIA, Va., April 9 -- United States Patent no. 12,272,828, issued on April 8, was assigned to Mitsui Mining & Smelting Co. Ltd. (Japan).

"Electrode catalyst layer for fuel cell, and solid polymer-type fuel cell comprising said electrode catalyst layer" was invented by Takuya Kitabatake (Ageo, Japan), Joji Miki (Ageo, Japan) and Haruka Watanabe (Ageo, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electrode catalyst layer for a fuel cell includes a catalyst/support composite including a support and a catalyst supported thereon. The support contains a titanium oxide. The surface of the catalyst/support composite has an oxide of at least one element selected from the group consisting of niobium, ...