ALEXANDRIA, Va., March 24 -- United States Patent no. 12,584,754, issued on March 24, was assigned to NTT Inc. (Tokyo).
"Path search apparatus, path search method, and program" was invented by Kojun Koshiji (Tokyo), Hanami Yokoi (Tokyo), Yasuharu Kaneko (Tokyo), Tatsuya Matsukawa (Tokyo), Mika Ishizuka (Tokyo) and Takafumi Hamano (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A route search device includes a memory and a processor configured to divide a communication network including a plurality of nodes and an edge connecting the nodes into a plurality of areas based on information of the nodes, and create a first network graph that represents a connection relationship between the areas; search for ...