ALEXANDRIA, Va., June 18 -- United States Patent no. 12,326,690, issued on June 10, was assigned to CANON K.K. (Tokyo).
"Toner and method for producing toner" was invented by Kazuki Murata (Tokyo), Takeshi Hashimoto (Ibaraki, Japan), Yukihiro Abe (Chiba, Japan), Miki Ueda (Tokyo) and Hayato Ida (Ibaraki, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A toner comprising a toner particle comprising a binder resin, wherein the binder resin comprises a first resin and a second resin, the first resin is a crystalline resin, the second resin is an amorphous resin, in an observation of a cross section of the toner particle with a transmission electron microscope, a matrix-domain structure composed of a matrix...