ALEXANDRIA, Va., June 2 -- United States Patent no. 12,643,800, issued on June 2, was assigned to TOKYO OHKA KOGYO Co. LTD. (Kanagawa, Japan).
"Production method of niobium(V) oxide nanocrystals" was invented by YuehChun Liao (Kanagawa, Japan) and Kenichi Yamauchi (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A production method of niobium(V) oxide nanocrystals is provided which is capable of obtaining niobium(V) oxide nanocrystals having a size of less than 100 nm in a state where an amorphous phase is less likely to be generated. The production method of niobium(V) oxide nanocrystals according to the present invention includes heating a mixture containing a pentaalkoxyniobium(V), water, a...