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 8112020 B1

PDF
Full Text
Expired
Date of Patent:
Feb. 07, 2012

Filed:

Mar. 17, 2009
Applicants:

Sayo Mabuchi, Osaka, JP;

Hiroyuki Hamakawa, Osaka, JP;

Akihiro Watanabe, Osaka, JP;

Masashi Fujishima, Osaka, JP;

Hiroshi Yamazaki, Osaka, JP;

Asami Kotera, Osaka, JP;

Inventors:

Sayo Mabuchi, Osaka, JP;

Hiroyuki Hamakawa, Osaka, JP;

Akihiro Watanabe, Osaka, JP;

Masashi Fujishima, Osaka, JP;

Hiroshi Yamazaki, Osaka, JP;

Asami Kotera, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/08 (2006.01);
U.S. Cl.
CPC ...
Abstract

Embodiments relate to a developing device for use in an image-forming apparatus including a developing roller having a conductive base surface which may be covered with a resin layer containing an ion conductive material and a silicone-modified urethane resin having an ether structure. The resin layer may be a product of a crosslinking reaction of the silicone-modified urethane resin and the ion conductive material in the presence of a crosslinking agent and a crosslinking catalyst.


Find Patent Forward Citations

Mabuchi, Sayo. (2012). Developing device and image-forming apparatus (U.S. Patent No. 8112020). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8112020

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