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:
Dec. 04, 2001
Filed:
Mar. 30, 2000
Nobuyuki Ito, Shizuoka-ken, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An image forming apparatus in which an image forming device has developing device for developing an electrostatic image formed on an image bearing member. The developing device has a first developing section for developing use of a first cyan toner, a second developing section for developing by use of a first magenta toner, a third developing section for developing by use of a yellow toner, a fourth developing section for developing by use of a second cyan toner that is lighter than the first cyan toner, and a fifth developing section for developing by use of a second magenta toner that is lighter than the first magenta toner. A sixth developing section is provided for developing by use of a black toner. A first rotator supports the first, second, third, fourth, fifth and sixth developing devices, and a second rotator supports the fourth and fifth developing devices.