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:
Feb. 19, 2008
Filed:
Jun. 24, 2005
Toshihiko Baba, Ohta-ku, JP;
Shigeo Kurotaka, Sagamihara, JP;
Katsuhiro Echigo, Asaka, JP;
Takashi Fujita, Yokohama, JP;
Hisashi Kikuchi, Kawasaki, JP;
Yukimichi Someya, Saitama, JP;
Hiroyuki Kunii, Yokohama, JP;
Atsushi Nakafuji, Ohta-ku, JP;
Kohji Ue, Kawasaki, JP;
Toshihiko Baba, Ohta-ku, JP;
Shigeo Kurotaka, Sagamihara, JP;
Katsuhiro Echigo, Asaka, JP;
Takashi Fujita, Yokohama, JP;
Hisashi Kikuchi, Kawasaki, JP;
Yukimichi Someya, Saitama, JP;
Hiroyuki Kunii, Yokohama, JP;
Atsushi Nakafuji, Ohta-ku, JP;
Kohji Ue, Kawasaki, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A fixing device including a magnetic field generating device to generate a magnetic field, a fixing member to heat a recording material by heat generated in a first recording material passing area having a first width on the fixing member by electromagnetic induction heat generation by the magnetic field formed by the magnetic field generating device, a pressing member to form a nip portion where the pressing member and the fixing member press against each other to fix an unfixed image on the recording material, and at least one radiation heating device configured to heat a second recording material passing area having a second width.