US Patent Issued to CANON on Aug. 18 for "External additive for toner and toner" (Japanese Inventors)

ALEXANDRIA, Va., Aug. 18 -- United States Patent no. 12,710,704, issued on Aug. 18, was assigned to CANON K.K. (Tokyo).

"External additive for toner and toner" was invented by Ichiro Kanno (Chiba, Japan), Yukihiro Abe (Chiba, Japan), Junichi Tamura (Ibaraki, Japan), Mari Kaburagi (Chiba, Japan), Hayato Ida (Ibaraki, Japan), Masao Suzuki (Kanagawa, Japan), Kei Inoue (Kanagawa, Japan) and Waka Hasegawa (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An external additive for toner comprising: a fine particle A containing, as a binder component, an organosilicon compound having a siloxane bond; and a fine particle B that is present on a surface of the fine particle A in a state of being at least partially ...