US Patent Issued to Canon on Nov. 4 for "Image forming apparatus in which initial developer is filled in advance" (Japanese Inventors)

ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,461,469, issued on Nov. 4, was assigned to Canon K.K. (Tokyo).

"Image forming apparatus in which initial developer is filled in advance" was invented by Motonari Ito (Shizuoka, Japan) and Seiichi Shinohara (Shizuoka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An image forming apparatus includes a rotatable image bearing member, a charging member, a developing unit, a cleaning member, and a supply container. In an accommodating portion of a new developing unit, an initial developer which is a developer in a predetermined amount is filled in advance. The initial developer contains toner particles of which charge polarity is a predetermined polari...