US Patent Issued to SYNZTEC on Sept. 22 for "Charging roll" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,743,037, issued on Sept. 22, was assigned to SYNZTEC Co. LTD. (Kanagawa, Japan).

"Charging roll" was invented by Shogo Suzuki (Kanagawa, Japan), Atsushi Ikeda (Kanagawa, Japan), Satoshi Fukuoka (Kanagawa, Japan) and Kenji Sasaki (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A charging roll includes a core, a rubber substrate arranged around the core, and a surface layer arranged around the rubber substrate. The surface layer includes a conductive matrix containing a base material formed of an insulator, and a conductive material dispersed in the base material, and particles of a surface roughness-imparting material dispersed in the co...