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. 26, 2013
Filed:
Aug. 30, 2010
Ryota Yamashina, Kanagawa, JP;
Yasushi Nakazato, Tokyo, JP;
Osamu Satoh, Kanagawa, JP;
Kohji Ue, Kanagawa, JP;
Mikiko Imazeki, Kanagawa, JP;
Masahide Yamashita, Tokyo, JP;
Jun Yamane, Kanagawa, JP;
Ryota Yamashina, Kanagawa, JP;
Yasushi Nakazato, Tokyo, JP;
Osamu Satoh, Kanagawa, JP;
Kohji Ue, Kanagawa, JP;
Mikiko Imazeki, Kanagawa, JP;
Masahide Yamashita, Tokyo, JP;
Jun Yamane, Kanagawa, JP;
Ricoh Company, Limited, Tokyo, JP;
Abstract
A first feature quantity computing unit that computes a first feature quantity representing an average of a plurality of driving loads recorded by a driving load of a fixing section recording unit of an image forming device that records the driving load acquired by a driving load acquiring unit that acquires the driving load, a second feature quantity computing unit that computes a second feature quantity representing a deviation of the plurality of the driving loads, and a diagnosis unit that performs failure diagnosis including estimation of a cause of a failure of the fixing section using the first feature quantity and the second feature quantity are used.