Laboratory Group
- ■NTT
- http://www.ntt.co.jp/index_e.html
- ■NTT Science and Core Technology Laboratory Group
- http://www.ntt.co.jp/sclab/index_e.html
NTT Group Companies
- ■NTT Electronics Corporation (NEL)
- http://www.nel-world.com/
- ■NTT Advanced Technology Corporation (NTT-AT)
- http://www.ntt-at.com/
