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 9778606 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 03, 2017

Filed:

Feb. 01, 2016
Applicants:

Takayuki Seki, Kanagawa, JP;

Susumu Matsusaka, Kanagawa, JP;

Yasuhiko Ogino, Kanagawa, JP;

Shohta Kobashigawa, Tokyo, JP;

Kenji Ishii, Kanagawa, JP;

Kazuhito Kishi, Kanagawa, JP;

Takashi Seto, Kanagawa, JP;

Ippei Fujimoto, Kanagawa, JP;

Kazunari Sawada, Tokyo, JP;

Hiroshi Yoshinaga, Chiba, JP;

Inventors:

Takayuki Seki, Kanagawa, JP;

Susumu Matsusaka, Kanagawa, JP;

Yasuhiko Ogino, Kanagawa, JP;

Shohta Kobashigawa, Tokyo, JP;

Kenji Ishii, Kanagawa, JP;

Kazuhito Kishi, Kanagawa, JP;

Takashi Seto, Kanagawa, JP;

Ippei Fujimoto, Kanagawa, JP;

Kazunari Sawada, Tokyo, JP;

Hiroshi Yoshinaga, Chiba, JP;

Assignee:

Ricoh Company, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/20 (2006.01);
U.S. Cl.
CPC ...
G03G 15/2053 (2013.01); G03G 15/2064 (2013.01);
Abstract

A fixing device includes a first heater and a second heater disposed inside a fixing rotator to heat the fixing rotator. The first heater generates an increased amount of heat and includes a first heat generator having a first heating span in a longitudinal direction of the first heater. The second heater generates a decreased amount of heat and includes a second heat generator having a second heating span in a longitudinal direction of the second heater. A partition is interposed between the first heater and the second heater to define a first compartment having an increased size and accommodating the first heater and a second compartment having a decreased size and accommodating the second heater.


Find Patent Forward Citations

Seki, Takayuki. (2017). Fixing device and image forming apparatus (U.S. Patent No. 9778606). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9778606

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

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