The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 04, 2006
Filed:
Jan. 28, 2004
Naotaka Ikeda, Ibaraki, JP;
Kenji Okado, Ibaraki, JP;
Kazumi Yoshizaki, Ibaraki, JP;
Hironori Minagawa, Ibaraki, JP;
Naotaka Ikeda, Ibaraki, JP;
Kenji Okado, Ibaraki, JP;
Kazumi Yoshizaki, Ibaraki, JP;
Hironori Minagawa, Ibaraki, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
In an image forming apparatus having at least one single electrostatic latent image bearing member and a plurality of image forming units each having a replenishing developer cartridge and a developing assembly, at least one of the image forming units is a special-color image forming unit having a special-color replenishing developer cartridge containing a special-color replenishing developer, and at least one of the other image forming unit is a non-special-color image forming unit having a non-special-color replenishing developer cartridge containing a non-special-color replenishing developer. The special-color replenishing developer cartridge has a volume larger than the volume of the non-special-color replenishing developer cartridge, and the special-color replenishing developer contains a toner and a carrier.