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:
Mar. 11, 2014
Filed:
Mar. 22, 2013
Fujitsu Limited, Kawasaki, JP;
Akio Shinagawa, Nakano, JP;
Kyohei Tamai, Kawasaki, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
A computer performs a path search from a departure point to a destination point and a path search from the destination point to the departure point while changing a target from a road type at a level other than the highest level to a road type at a higher level, according to a first grouping of a plurality of road types, and performs a path search for the road type at the highest level in a first process. Next, the computer performs similar path searches in an area to be searched based on a result of the first process, according to a second grouping in which a greater number of road types is classified as the highest level in a second process. Then, the computer generates path information according to a result of the second process.