| Oct 30.2023 |
Japanese joint research group achieves a world record of 1.2Tbps for optical signal transmission with over 1Tbps data transfer in field trial |
| May 19.2023 |
Local 5G and TETRA interconnected at Narita International Airport--- Realized breakthrough integrated mission-critical communication environment in airport --- |
| May 12.2023 |
Financial Results for the Fiscal Year Ended March 31, 2023 |
| May 12.2023 |
Changes in Board of Directors and Executive Officers(NTT East) |
