US Patent Issued to FUJIFILM Business Innovation on Jan. 27 for "Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method" (Japanese Inventors)

ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,535,752, issued on Jan. 27, was assigned to FUJIFILM Business Innovation Corp. (Tokyo).

"Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method" was invented by Ryo Nagai (Kanagawa, Japan), Yosuke Tsurumi (Kanagawa, Japan) and Yasuko Torii (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electrostatic charge image developing toner contains negatively charged toner particles and silica particles added to an exterior of the toner particles, in which in a case where the silica particles are sorted into silica particles (S1) ha...