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. 08, 2008
Filed:
Jun. 23, 2005
Hideaki Nagasaka, Shizuoka-ken, JP;
Kunihiko Sekido, Numazu, JP;
Michiyo Sekiya, Mishima, JP;
Nobumichi Miki, Skizuoka-ken, JP;
Yosuke Morikawa, Yokohama, JP;
Hideaki Nagasaka, Shizuoka-ken, JP;
Kunihiko Sekido, Numazu, JP;
Michiyo Sekiya, Mishima, JP;
Nobumichi Miki, Skizuoka-ken, JP;
Yosuke Morikawa, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An electrophotographic photosensitive member having a support and a charge generation layer containing a charge-generating material and a binder resin, provided on the support, and a hole transport layer containing a hole-transporting material, provided on the charge generation layer. The charge generation lays contains a phenanthroline compound according to formula (3) discussed in the specification or an acenaphthene compound according to formula (4) discussed in the specification. Also disclosed are a process cartridge and an electrophotographic apparatus which have the electrophotographic photosensitive member.