Nippon Telegraph and Telephone (NTT) Corporation spent *** billion Japanese yen on research and development (R&D) in fiscal year 2021, which was an increase of **** billion yen compared to the previous fiscal year. NTT Corporation is one of the major telecommunications companies in Japan and headquartered in Tokyo.
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NTT. (September 30, 2022). Research and development (R&D) expenses of Nippon Telegraph and Telephone (NTT) Corporation from fiscal year 2012 to 2021 (in billion Japanese yen) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 19, 2026, from /statistics/918520/ntt-research-and-development-expenses/
NTT. "Research and development (R&D) expenses of Nippon Telegraph and Telephone (NTT) Corporation from fiscal year 2012 to 2021 (in billion Japanese yen)." Chart. September 30, 2022. ÌÇÐÄÆƽâ°æ. Accessed July 19, 2026. /statistics/918520/ntt-research-and-development-expenses/
NTT. (2022). Research and development (R&D) expenses of Nippon Telegraph and Telephone (NTT) Corporation from fiscal year 2012 to 2021 (in billion Japanese yen). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 19, 2026. /statistics/918520/ntt-research-and-development-expenses/
NTT. "Research and Development (R&d) Expenses of Nippon Telegraph and Telephone (Ntt) Corporation from Fiscal Year 2012 to 2021 (in Billion Japanese Yen)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 30 Sep 2022, /statistics/918520/ntt-research-and-development-expenses/
NTT, Research and development (R&D) expenses of Nippon Telegraph and Telephone (NTT) Corporation from fiscal year 2012 to 2021 (in billion Japanese yen) ÌÇÐÄÆƽâ°æ, /statistics/918520/ntt-research-and-development-expenses/ (last visited July 19, 2026)
Research and development (R&D) expenses of Nippon Telegraph and Telephone (NTT) Corporation from fiscal year 2012 to 2021 (in billion Japanese yen) [Graph], NTT, September 30, 2022. [Online]. Available: /statistics/918520/ntt-research-and-development-expenses/
