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:
Mar. 17, 2015
Filed:
Mar. 30, 2012
Atsushi Okuda, Yokohama, JP;
Harunobu Ogaki, Suntou-gun, JP;
Kazunori Noguchi, Suntou-gun, JP;
Shio Murai, Toride, JP;
Kazuhisa Shida, Kawasaki, JP;
Takashi Anezaki, Hiratsuka, JP;
Atsushi Okuda, Yokohama, JP;
Harunobu Ogaki, Suntou-gun, JP;
Kazunori Noguchi, Suntou-gun, JP;
Shio Murai, Toride, JP;
Kazuhisa Shida, Kawasaki, JP;
Takashi Anezaki, Hiratsuka, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A charge-transporting layer, which is a surface layer of an electrophotographic photosensitive member, has a matrix-domain structure having a matrix containing constituent β (a polyester resin having a predetermined repeating structural unit) and a charge-transporting substance, and a domain containing constituent α (a polycarbonate resin having a repeating structural unit having a predetermined siloxane moiety).