ALEXANDRIA, Va., April 21 -- United States Patent no. 12,607,950, issued on April 21, was assigned to CANON K.K. (Tokyo).

"Toner" was invented by Keisuke Adachi (Tokyo), Shintaro Noji (Shizuoka, Japan) and Kenji Ookubo (Shizuoka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A toner comprising a toner particle comprising a toner core particle and a shell covering the toner core particle, wherein the shell comprises an organosilicon polymer, the shell encapsulates a domain of a release agent, and in cross-sectional observation of the toner particle by a transmission electron microscope, a ratio of domains of the release agent that are not in contact with the toner core particle to a total number of the...