ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,396,041, issued on Aug. 19, was assigned to NTT DOCOMO Inc. (Tokyo).

"Network node, system, and method for interface establishment management" was invented by Teruaki Toeda (Tokyo) and Kenji Kai (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A network node includes a receiving unit that receives information related to a protocol version of a message of a higher layer and a control unit that uses a same protocol version for a plurality of higher network nodes that terminate and split the higher layer, based on the information related to the protocol version, in which the network node is one of the plurality of higher network nodes."

The patent wa...