ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,558,810, issued on Feb. 24, was assigned to Canon K.K. (Tokyo).
"Method for manufacturing ceramic article and ceramic article" was invented by Shunsuke Murakami (Tokyo), Yasushi Shimizu (Kanagawa, Japan), Nobuhiro Yasui (Kanagawa, Japan) and Kanako Oshima (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "(i) a step of disposing a powder that includes an absorber absorbing light of a wavelength included in a laser beam to be irradiated and silicon dioxide as a main component; (ii) a step of sintering or melting and solidifying the powder by irradiating the powder with a laser beam; and (iii) a step of heat-treating a shaped object formed by repeating...