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. 28, 2010
Filed:
May. 18, 2007
Hiroshi Ikuno, Yokohama, JP;
Masafumi Ohta, Susono, JP;
Tomoyuki Shimada, Shizouka, JP;
Yuuji Tanaka, Fujinomiya, JP;
Hongguo LI, Numazu, JP;
Hiroshi Ikuno, Yokohama, JP;
Masafumi Ohta, Susono, JP;
Tomoyuki Shimada, Shizouka, JP;
Yuuji Tanaka, Fujinomiya, JP;
Hongguo Li, Numazu, JP;
Ricoh Company Limited, Tokyo, JP;
Abstract
An electrophotographic photoreceptor is provided, including an electroconductive substrate and a photosensitive layer located overlying the electroconductive substrate, wherein an outermost layer of the electrophotographic photoreceptor includes a resin including a graft copolymer in which a monomer having a polar group is graft polymerized to a polycarbonate resin, a polyarylate resin, or a copolymer thereof, and a filler; along with an image forming apparatus and a process cartridge using the electrophotographic photoreceptor.