ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,377,461, issued on Aug. 5, was assigned to TOKUSEN KOGYO Co. LTD. (Ono, Japan).
"Metal powder" was invented by Woojin Lee (Ono, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A metal powder is an ensemble of fine metal particles. The fine metal particles include fine layered metal particles (2). Each of the fine layered metal particles (2) includes a center layer (4), an upper middle layer (6), an upper end layer (8), a lower middle layer (10), and a lower end layer (12). Each of the layers is a flake. The flakes belong to the same crystal. There is a space S1 between the center layer (4) and the upper middle layer (6). There is a space S2 between ...