US Patent Issued to NOK on April 22 for "Developing roll and developing device for use in image-forming apparatus using electrophotography" (Japanese Inventors)

ALEXANDRIA, Va., June 6 -- United States Patent no. 12,282,268, issued on April 22, was assigned to NOK Corp. (Tokyo).

"Developing roll and developing device for use in image-forming apparatus using electrophotography" was invented by Kosuke Oura (Kanagawa, Japan), Norimasa Hosonuma (Kanagawa, Japan), Atsushi Ikeda (Kanagawa, Japan), Yu Akai (Kanagawa, Japan), Satoshi Fukuoka (Kanagawa, Japan) and Kenji Sasaki (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A developing roll for use in an image-forming apparatus using electrophotography includes a cylindrical core made of metal; an annular elastic layer made of rubber and arranged around the core; and an annular surface layer arranged around ...