Patent 7865860 was granted and assigned to NEC Corporation on January, 2011 by the United States Patent and Trademark Office.
A layout design device according to an exemplary aspect of the present invention is a layout design device for designing layout of an integrated circuit, including a routing section for adjacently wiring a signal line having a high activity rate and a signal line having a low activity rate based on an activity rate of the signal line of each circuit element.