ALEXANDRIA, Va., June 17 -- United States Patent no. 12,316,644, issued on May 27, was assigned to NIPPON TELEGRAPH AND TELEPHONE Corp. (Tokyo).

"Communication apparatus, external apparatus, communication system, communication method and program" was invented by Takuma Koyama (Tokyo), Masashi Tanaka (Tokyo), Yasushi Okano (Tokyo) and Masaru Matsubayashi (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a communication apparatus communicating with an external apparatus connected via a network, and the communication apparatus includes a processor and a memory storing program instructions that cause the processor to: calculate a communication interval of data communicated within the communicatio...