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:
May. 09, 1995
Filed:
Aug. 25, 1994
Haruo Fujii, Yokohama, JP;
Tatsuya Kobayashi, Tokyo, JP;
Nobuhiro Imai, Kawasaki, JP;
Hisayoshi Kojima, Yokohama, JP;
Masao Umezawa, Yokohama, JP;
Hideki Tada, Yokohama, JP;
Akira Ito, Tokyo, JP;
Kaoru Seto, Chigasaki, JP;
Motoi Katoh, Yokohama, JP;
Daisuke Murata, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An image forming apparatus includes a detachably mountable process cartridge, the process cartridge including an image bearing member and a color developing device actable on the image bearing member, the color developing device containing plural developing units having yellow developer, respectively; detachably mountable developing device actable on the image bearing member in the process cartridge, the detachably mountable developing device containing black developer and being detachably mountable independently of the process cartridge; and a device for forming a latent image on the image bearing member; a transfer device for transferring a developed image from the image bearing member to a recording material.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile