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.:

US 6556880 B1

PDF
Full Text
Expired
Date of Patent:
Apr. 29, 2003

Filed:

Jul. 13, 2001
Applicant:
Inventors:

Norihiro Takesako, Tokyo, JP;

Kazunori Morinaga, Tokyo, JP;

Akihisa Chikamura, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 1/900 ;
U.S. Cl.
CPC ...
G06F 1/900 ;
Abstract

In a production schedule planning device, a schedule planning unit recognizes a previous schedule as a prerequisite without obtaining a current progress and information of initial setups of processing devices by the schedule planning unit , whereby a schedule of a newly thrown lot can be planned without modifying and/or changing the previous schedule.


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