US Patent Issued to FUJIFILM Business Innovation on April 22 for "Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge" (Japanese Inventors)

ALEXANDRIA, Va., June 6 -- United States Patent no. 12,282,292, issued on April 22, was assigned to FUJIFILM Business Innovation Corp. (Tokyo).

"Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge" was invented by Atsushi Sugawara (Kanagawa, Japan), Yoshimasa Fujihara (Kanagawa, Japan), Kazutsuna Sasaki (Kanagawa, Japan) and Takashi Inukai (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electrostatic charge image developing toner includes a toner particle containing a binder resin, a release agent, a divalent metal, and a trivalent metal, in which the release agent has a domain diameter of 0.5 micro metre or greater and 1.5 micro metre or ...