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:
Aug. 04, 2026

Filed:

Oct. 01, 2024
Applicants:

Keitaro Shoji, Kanagawa, JP;

Yasunori Ishigaya, Kanagawa, JP;

Inventors:

Keitaro Shoji, Kanagawa, JP;

Yasunori Ishigaya, Kanagawa, 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 heating device includes a rotator, a heater including a base and a heat generator that forms a heat generation region, and a thermal conductor. The base, the heat generation region, the thermal conductor, and a maximum sheet passing region shorter than the heat generation region each extend from one end to another end in the longitudinal direction. A protrusion amount between the heat generation region and the base regarding the one end is shorter than that between them regarding another end. The following expressions are satisfied.


Find Patent Forward Citations

Shoji, Keitaro. (2026). Heating device with asymmetrically configured thermal conductor, fixing device, and image forming apparatus (U.S. Patent No. 12699341). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12699341

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

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