| May 15.2020 |
Financial Results for the Fiscal Year Ended March 31, 2020 |
| May 15.2020 |
CHANGES IN BOARD OF DIRECTORS (NTT East) |
| Mar 18.2020 |
Experimental demonstration of ultra-high precision optical frequency transfer via 240-km-long telecommunications fiber- Optical repeater cascade transfer using planar lightwave circuit (PLC) - |
| Feb 28.2020 |
Submission for Approval of Business Operation Plan for the Fiscal Year Ending March 31, 2021 |
