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.:
Date of Patent:
Jun. 16, 2009
Filed:
Jul. 11, 2007
Applicants:
Keisuke Kubota, Tokyo, JP;
Teruaki Mitsuya, Tokyo, JP;
Takashi Suzuki, Tokyo, JP;
Yoshihiro Sonohara, Tokyo, JP;
Inventors:
Keisuke Kubota, Tokyo, JP;
Teruaki Mitsuya, Tokyo, JP;
Takashi Suzuki, Tokyo, JP;
Yoshihiro Sonohara, Tokyo, JP;
Assignee:
Ricoh Company, Limited, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
A fixing device, which fixes an unfixed toner image on a recording medium, includes a heating roller, a fixing roller, a pressurizing roller, and an endless belt that stretches over the heating roller and the fixing roller. A heat source and a heat pipe are arranged in a heating roller. The heat pipe substantially uniformly heats the surface of the heating roller.