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:
Sep. 02, 2014
Filed:
Nov. 04, 2009
Attila Lengyel, San Jose, CA (US);
Yoichi Nonaka, Yokohama, JP;
Attila Lengyel, San Jose, CA (US);
Yoichi Nonaka, Yokohama, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
Priority can be calculated for works-in-process which are not in demand. A priority calculation device () comprises a priority calculation unit () which specifies a queue of lots in each production stage, a product category wherein the lot is to be used, and the number of components included in the lot, on the basis of information stored in a queue information storage area (), and allocates priority for each lot so that when the specified lot is supplied to the production stage, a lot, by which a ratio of a component, in each product category, contained in a lot which is in a process subsequent to the process of the production stage is made closer to the ratio of demand in each product category specified by the information stored in a demand information storage area (), is supplied into the production stage with higher priority.