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:
Nov. 22, 2011
Filed:
May. 10, 2010
Keisuke Shimoyama, Numazu, JP;
Eiji Kurimoto, Numazu, JP;
Michitaka Sasaki, Chiba, JP;
Shin-ichi Kawamura, Kawasaki, JP;
Keisuke Shimoyama, Numazu, JP;
Eiji Kurimoto, Numazu, JP;
Michitaka Sasaki, Chiba, JP;
Shin-ichi Kawamura, Kawasaki, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
An electrophotographic image forming apparatus, including a photoreceptor, a charger charging the surface of the photoreceptor, an irradiator irradiating the surface of the photoreceptor with imagewise light to form an electrostatic latent image thereon, an image developer developing the electrostatic latent image with a developer including a toner to form a toner image on the surface of the photoreceptor, and a transferer transferring the toner image onto a transfer material, wherein the photoreceptor includes an electroconductive substrate, and a photosensitive layer overlying the electroconductive substrate and including a charge generation material and a specific charge transport material.