SoftBank Corp. Unveils New Drone-based Search and Rescue System that Utilizes Wi-Fi

Published on January 7, 2026

The Institute of Science Tokyo and SoftBank Corp. (TOKYO: 9434) are jointly developing a system that utilizes drones and Wi-Fi to determine the location of people in search and rescue operations. On November 27, 2025, members of the press were invited to a briefing and demonstration held in Ichihara City, Chiba Prefecture, to see how the technology works firsthand. Led by Teruya Fujii—a Specially Appointed Professor at the School of Engineering, Institute of Science Tokyo, and a Fellow at SoftBank’s Technology Research Laboratory—the event introduced a new system that can locate missing persons without relying on the services of mobile operators used either by the missing person or the search team.

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