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 9851656 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 26, 2017

Filed:

Mar. 17, 2016
Applicants:

Keiichiro Juri, Kanagawa, JP;

Makoto Matsushita, Tokyo, JP;

Hideaki Yasunaga, Tokyo, JP;

Inventors:

Keiichiro Juri, Kanagawa, JP;

Makoto Matsushita, Tokyo, JP;

Hideaki Yasunaga, Tokyo, JP;

Assignee:

RICOH COMPANY, LTD., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 15/08 (2006.01); G03G 21/00 (2006.01);
U.S. Cl.
CPC ...
G03G 15/0818 (2013.01); G03G 21/0011 (2013.01);
Abstract

A developing roller includes a conductive axis body; a conductive elastic layer overlying the conductive axis body; and a toner bearing layer overlying the conductive elastic layer and having a surface dispersed with particles having an average particle diameter of from 11 nm to 40 nm. The rotary torque is from 2.5 N to 3.5 N.


Find Patent Forward Citations

Juri, Keiichiro. (2017). Developing roller, toner and image forming apparatus (U.S. Patent No. 9851656). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9851656

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

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