ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,404, issued on June 17, was assigned to Tsinghua University (Beijing) and HON HAI PRECISION INDUSTRY Co. LTD. (New Taipei, Taiwan).

"Carbon nanotube composite hydrogen evolution catalytic film and method for making the same" was invented by Kai Liu (Beijing), Chenyu Li (Beijing), Mingda Liu (Beijing) and Shou-Shan Fan (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of making a carbon nanotube composite hydrogen evolution catalytic film is provided. The method includes: providing a carbon nanotube film, wherein the carbon nanotube film defines a plurality of spaced holes; providing a precursor solution containing a molybdenum source ...