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:
Jul. 31, 2012
Filed:
Jul. 21, 2010
Ichiro Harashima, Ibaraki, JP;
Keisuke Nakashima, Ibaraki, JP;
Ichiro Harashima, Ibaraki, JP;
Keisuke Nakashima, Ibaraki, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A design rule management method implemented in a rule verification apparatus for checking a violation against a design rule which specifies a part shape when there is any change in parameters in a system, the rule verification apparatus including: a processing unit for processing information; an input unit for inputting information; and a storage unit for storing a first design rule, a second design rule and relationship strength therebetween in association with one another, the method allowing the processing unit to perform steps including: acquiring the changed parameter via the input unit; and in a rule verification to determine whether or not there is any violation in the design rules that use the changed parameter, acquiring from the storage unit all the design rules having the relationship strength of a predetermined value, and performing the rule verification on all the acquired design rules.