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:
Jan. 17, 2012
Filed:
Feb. 12, 2009
Yoshikatsu Kumisuwa, Tokyo, JP;
Rintaro Nakane, Yokohama, JP;
Hiroyo Katou, Mishima, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Toshiba Tec Kabushiki Kaisha, Tokyo, JP;
Abstract
A maintenance scheduling system that lays out a maintenance schedule for an image forming apparatus includes an actual-use-result acquiring unit that acquires actual use result information of consumables, a failure-probability-distribution estimating unit that estimates failure probability distributions of the consumables, a cost-related-constant acquiring unit that acquires cost related constants of the consumables, a first cost calculating unit that calculates, for each of plural visit interval values, cost per unit time required for the image forming apparatus, a visit-interval calculating unit that calculates the visit interval value giving minimum cost, a second cost calculating unit that calculates, for each of plural replacement interval values, cost per unit time required for the image forming apparatus, a replacement-interval calculating unit that calculates a calculated replacement interval value, and a maintenance-schedule presenting unit that presents the next visit time and at least one of the consumables to be replaced in the visit.