ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,508,553, issued on Dec. 30, was assigned to NIHON SPINDLE MANUFACTURING Co. LTD. (Hyogo, Japan).

"Slurry storage device, slurry production system and slurry storage method" was invented by Keiichiro Onishi (Hyogo, Japan), Keiichi Asami (Hyogo, Japan), Takashi Mukai (Osaka, Japan), Taichi Sakamoto (Osaka, Japan), Hideaki Tanaka (Osaka, Japan), Hiroshi Senoh (Osaka, Japan) and Masahiro Yanagida (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A slurry storage device that stores an aqueous slurry containing a high nickel material prepared by a dispersion device which mixes a powder and a solvent, the device includes a holding unit that holds th...