US Patent Issued to CANON on Feb. 10 for "Developing apparatus" (Japanese Inventor)

ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,547,102, issued on Feb. 10, was assigned to CANON K.K. (Tokyo).

"Developing apparatus" was invented by Tomoyuki Sakamaki (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A first maximum position where a magnetic flux density of a first magnetic pole is maximum is positioned downstream of a first developing position and upstream of a first closest position. A second maximum position where a magnetic flux density of a third magnetic pole is maximum is positioned downstream of a second closest position and upstream of a second developing position. A relationship of r1xTheta1less thanr2xTheta2 is satisfied, in a case where r1 represents a radius of a f...