US Patent Issued to FUJIFILM Business Innovation on July 29 for "Toner for developing electrostatic charge image and electrostatic charge image developer" (Japanese Inventors)

ALEXANDRIA, Va., July 30 -- United States Patent no. 12,372,891, issued on July 29, was assigned to FUJIFILM Business Innovation Corp. (Tokyo).

"Toner for developing electrostatic charge image and electrostatic charge image developer" was invented by Daisuke Ishizuka (Kanagawa, Japan) and Keita Yamamoto (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A toner for developing an electrostatic charge image contains toner particles that contain binder resins including an amorphous resin and a crystalline resin and also contain an oligomer. The molecular weight distribution curve of the toner measured by gel permeation chromatography has its highest peak in a range of molecular weights from 5000 to...