logo

For the Inventor, By the Inventor

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.:

US 6653033 B1

PDFFull Text
Date of Patent:
Nov. 25, 2003

Filed:

Mar. 04, 2003

Electrophotographic photoconductor, method of manufacturing same and image forming method, image forming apparatus and process cartridge using same

Applicant:
Inventors:

Hidetoshi Kami, Numazu, JP;

Tatsuya Niimi, Numazu, JP;

Akihiko Matuyama, Isehara, JP;

Nozomu Tamoto, Numazu, JP;

Eiji Kurimoto, Numazu, JP;

Assignee:

Ricoh Company, Ltd., Tokyo, JP;

Attorney:

Oblon, Spivak, McClelland, Maier & Neustadt, P.C.

Primary Examiner:

John Goodrow

Int. Cl.
CPC ...
G03G 1/502 ;
U.S. Cl.
CPC ...
G03G 1/502 ;
Abstract

An electrophotographic photoconductor having an electroconductive support, and a photoconductive layer formed on the support and having an outwardly facing surface. The photoconductive layer includes a charge transporting material, a charge generating material and an inorganic filler including &agr;-alumina, wherein the concentration of the inorganic filler in the photoconductive layer decreases stepwise or continuously in the direction from the outwardly facing surface thereof to the opposite surface thereof.

Find Patent Forward Citations

Kami, Hidetoshi. (2003). Electrophotographic photoconductor, method of manufacturing same and image forming method, image forming apparatus and process cartridge using same (U.S. Patent No. 6653033). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6653033

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…