ALEXANDRIA, Va., July 9 -- United States Patent no. 12,355,635, issued on July 8, was assigned to NIPPON TELEGRAPH AND TELEPHONE Corp. (Tokyo).

"Analysis device, analysis method, and analysis program" was invented by Shosuke Oba (Tokyo), Kazunori Kamiya (Tokyo) and Bo Hu (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An analysis device includes processing circuitry configured to generate a graph in which each IP host indicated in communication information is set as a node and communication between the each IP host is set as an edge on a basis of the communication information of a network, calculate a degree of relevance between a predetermined IP host and each IP host on the graph using the generated ...