US Patent Issued to NTT on March 17 for "Optical path route design device and optical path route design method" (Japanese Inventors)

ALEXANDRIA, Va., March 17 -- United States Patent no. 12,581,223, issued on March 17, was assigned to NTT Inc. (Tokyo).

"Optical path route design device and optical path route design method" was invented by Hiroki Date (Musashino, Japan), Takeshi Seki (Musashino, Japan), Takeshi Kawasaki (Musashino, Japan) and Hideki Maeda (Musashino, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical path route design device includes a transmission/reception route selection unit, a candidate selection unit, an existence judgement unit, a maximum resource 3R selection unit, and a new 3R selection unit. The design device selects relay stations in which two transmission/reception end points are arranged, selects ...