US Patent Issued to Ricoh on July 14 for "Toner for developing electrostatic latent image and production method thereof" (Japanese Inventors)

ALEXANDRIA, Va., July 14 -- United States Patent no. 12,681,402, issued on July 14, was assigned to Ricoh Co. Ltd. (Tokyo).

"Toner for developing electrostatic latent image and production method thereof" was invented by Shunki Katsumata (Shizuoka, Japan), Toshihiko Karato (Shizuoka, Japan), Taro Araki (Shizuoka, Japan) and Shintaro Akiyama (Shizuoka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A toner includes toner particles. Each toner particle includes a binder resin, a release agent, a colorant, and particles. The particles are metal particles, or halogen particles, or both. A metal constituting the metal particles may have a monovalent or higher ionic valence. An abundance X of the particles is...