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:
Jul. 14, 2009
Filed:
May. 22, 2006
Shigeaki Tokutake, Hachioji, JP;
Takao Fukaya, Hachioji, JP;
Tsuyoshi Shimoda, Musashino, JP;
Shinichi Hamaguchi, Hino, JP;
Shigeaki Tokutake, Hachioji, JP;
Takao Fukaya, Hachioji, JP;
Tsuyoshi Shimoda, Musashino, JP;
Shinichi Hamaguchi, Hino, JP;
Konica Minolta Business Technologies, Inc., Tokyo, JP;
Abstract
An electrophotographic image forming apparatus, comprises an electrophotographic photoreceptor; an image forming section for forming a toner image on a surface of the electrophotographic photoreceptor; an intermediate transfer member; a first transferring section for transferring the toner image formed on the surface of the electrophotographic photoreceptor to a surface of the intermediate transfer member; and a second transferring section for transferring the toner image transferred on the surface the intermediate transfer member to a recording medium; wherein the electrophotographic photoreceptor comprises a surface layer forming the surface thereof and containing particles having a number average primary particle diameter of 1 to 300 nm and the surface of the electrophotographic photoreceptor has a hardness of 200 to 350 N/mmin universal hardness which is lower than the hardness in universal hardness of the surface of the intermediate transfer member.