NTT carries out basic research and development activities at three laboratory groups in a wide range of fields, including some of the most advanced ICT research in the world.

"NTT Fellow" is a special title given to highly esteemed researchers elected from among the employees who have made their mark globally and whose distinguished achievements in research have already received worldwide recognition. An NTT fellow heads a research team and is responsible for driving forward innovative research in a critical area that has global significance.

"Senior Distinguished Researcher" is a title given to researchers who have made outstanding contributions in their field and are expected to stay active for a long time. They are elected from among "distinguished researchers," a title given to innovative researchers who have already achieved global recognition for their exemplary work. A senior distinguished researcher is responsible for leading innovative research or cutting-edge technical development in research areas considered to be important for the NTT Group over the long term.

"Distinguished Researcher" is a title given to innovative researchers who have already achieved global recognition for their exemplary work. A distinguished researcher is responsible for leading innovative research or cutting-edge technical development in research areas considered to be important for the NTT Group over the long term.