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:
Sep. 09, 2014
Filed:
Mar. 07, 2012
Masaru Shimura, Yokohama, JP;
Hideo Nanataki, Yokohama, JP;
Shinsuke Kobayashi, Yokohama, JP;
Shinji Katagiri, Yokohama, JP;
Yasunari Watanabe, Suntou-gun, JP;
Hideaki Hasegawa, Suntou-gun, JP;
Kiyoto Toyoizumi, Susono, JP;
Kouji Yasukawa, Tokyo, JP;
Masaru Shimura, Yokohama, JP;
Hideo Nanataki, Yokohama, JP;
Shinsuke Kobayashi, Yokohama, JP;
Shinji Katagiri, Yokohama, JP;
Yasunari Watanabe, Suntou-gun, JP;
Hideaki Hasegawa, Suntou-gun, JP;
Kiyoto Toyoizumi, Susono, JP;
Kouji Yasukawa, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
In a color image forming apparatus, the amount of light of an exposure unit for a weak exposure is changed according to a remaining service life of a photosensitive drum when the weak exposure is performed for the background area of a corresponding photosensitive drum by using the exposure unit.