ALEXANDRIA, Va., July 7 -- United States Patent no. 12,672,824, issued on July 7, was assigned to NTT INC. (Tokyo).

"Wearable device" was invented by Kento Watanabe (Tokyo), Kenichi Matsunaga (Tokyo), Yuki Hashimoto (Tokyo) and Takako Ishihara (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An embodiment is a device including a substrate, the substrate being flexible. The device further comprises an electrode configured to be in contact with a living body, a circuit connected to the electrode via an electric wiring, a wireless transceiver connected to the circuit and configured to transmit and receive signals, a power supply configured to supply electric power to the circuit and the wireless transceive...