2026-05-12 NIPPON TELEGRAPH AND TELEPHONE CORPORATION “NTTPC Communications (NTTPC) adds NTT Docomo's "Smartwatch 01" to its lineup of "Mimamori Gajumaru®," a system that supports on-site health management during extreme heat. This makes it easier to introduce the system at a more affordable price point, supporting safety management and compliance with the Industrial Safety and Health Act.”