US Patent Issued to FUJIFILM Business Innovation on Nov. 4 for "White toner, electrostatic charge image developer, and toner cartridge" (Japanese Inventors)

ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,461,462, issued on Nov. 4, was assigned to FUJIFILM Business Innovation Corp. (Tokyo).

"White toner, electrostatic charge image developer, and toner cartridge" was invented by Asafumi Fujita (Kanagawa, Japan), Teppei Yawada (Kanagawa, Japan), Kotaro Yoshihara (Kanagawa, Japan) and Tsuyoshi Murakami (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A white toner includes a toner particle that contains a binder resin containing a hybrid resin in which an amorphous resin unit and a crystalline polyester resin unit are chemically bonded to each other, surface-treated titanium oxide, and a release agent, in which a proportion of Al atoms in a su...