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. 31, 2013
Filed:
Dec. 28, 2010
Applicants:
Takafumi Iwamoto, Shizuoka-ken, JP;
Naohiro Toda, Kanagawa-ken, JP;
Inventors:
Takafumi Iwamoto, Shizuoka-ken, JP;
Naohiro Toda, Kanagawa-ken, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03G 5/07 (2006.01);
U.S. Cl.
CPC ...
Abstract
An image bearing member including an electroconductive substrate, a charge generation layer, a charge transport layer and, a cross-linked type charge transport layer, the cross-linked type charge transport layer having a structure unit deriving from a first component, a second component, and a third component, the first component containing a copolymer having a cyclic structure and/or a structure represented by a Chemical structure 1 as a repeating unit,