ALEXANDRIA, Va., June 16 -- United States Patent no. 12,307,926, issued on May 20, was assigned to MITSUMI ELECTRIC Co. LTD. (Tokyo).
"Electronic shelf label system" was invented by Hirokatsu Miyamoto (Tokyo), Tomoyuki Okada (Tokyo) and Yuya Yoshida (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electronic shelf label system 1 includes a cluster-type network CN constructed from a plurality of electronic shelf label devices and an application device communicatively connected to the cluster-type network CN. The cluster-type network CN includes a shelf label hierarchy constructed from a plurality of electronic shelf label devices which function as shelf labels for a plurality of products and a relay h...