ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,504,703, issued on Dec. 23, was assigned to CANON K.K. (Tokyo).
"Developing apparatus" was invented by Tomoyuki Sakamaki (Toride, Japan) and Mitsuhiro Furukawa (Kawaguchi, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A developing apparatus for developing a latent image formed on an image bearing member includes a developer carrying member configured to carry a developer including toner and magnetic carrier and including a developer carrying surface having a plurality of grooves, a magnet, provided inside the developer carrying member, configured to attract the developer on the developing carrying surface, and a regulating member, provided spaced...