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.

Date of Patent:
Sep. 06, 2005

Filed:

Jun. 21, 2002
Applicants:

Hongguo LI, Shizuoka, JP;

Kazukiyo Nagai, Shizuoka, JP;

Masaomi Sasaki, Shizuoka, JP;

Shinichi Kawamura, Kanagawa, JP;

Yasuo Suzuki, Shizuoka, JP;

Nozomu Tamoto, Shizuoka, JP;

Kawori Tanaka, Kanagawa, JP;

Inventors:

Hongguo Li, Shizuoka, JP;

Kazukiyo Nagai, Shizuoka, JP;

Masaomi Sasaki, Shizuoka, JP;

Shinichi Kawamura, Kanagawa, JP;

Yasuo Suzuki, Shizuoka, JP;

Nozomu Tamoto, Shizuoka, JP;

Kawori Tanaka, Kanagawa, JP;

Assignee:

Ricoh Company, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G005/043 ; G03G005/147 ;
U.S. Cl.
CPC ...
Abstract

An electrophotographic photoconductor comprising at least an electroconductive support and a photoconductive layer which is formed on said electroconductive support, the outermost layer of the photoconductor contains particles comprising a polyorganosiloxane-containing phase which contains polyorganosiloxane and an organic polymer-containing phase which contains organic polymer without silicon and has a polyorganosiloxane content which is less than the polyorganosiloxane-containing phase, each phase being exposed at the top surface of the photoconductor.


Find Patent Forward Citations

Loading…