The NTT History Center of Technologies celebrated its 25th anniversary in November 2025. Since its opening in 2000, the center has systematically exhibited historical materials documenting the technological development of the NTT Group, focusing on the half-century since the founding of the Nippon Telegraph and Telephone Corporation in 1952. When the center first opened, visits required reservations, but since 2010, we have offered public open days to allow visits without the need for a reservation. To this day, the center has welcomed numerous visitors. We extend our deepest gratitude to all who have visited us and to everyone who has shown interest in our center.Continue reading

Senior Vice President of R&D
Head of Information Network Laboratory Group
Yukari Tsuji