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:
May. 06, 2003
Filed:
Aug. 14, 2000
Applicant:
Inventors:
Hiroyuki Sugiyama, Kawasaki, JP;
Yasunori Abe, Kawasaki, JP;
Naomi Bizen, Kawasaki, JP;
Hiroshi Ikeda, Kawasaki, JP;
Assignee:
Fujitsu Limited, Kawasaki, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 1/750 ;
U.S. Cl.
CPC ...
G06F 1/750 ;
Abstract
A route searching method is used for circuit design, and includes a step of setting, with respect to each pin, a corresponding flag of a pass flag which indicates that a pin is passed, a searching flag which indicates that a pin is being searched, and a branch flag which indicates that a pin is a branch point, and a step of determining a direction of a route search depending on each flag which is set with respect to each pin.