NTT Inc (NTT) provides telecommunication services and offers technology and managed services for consulting, data center, network system, software services, and cloud services.

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NTT has made significant strides in its research and development efforts, focusing on several advanced technologies. One of the key areas of innovation is in computing with photonics technology, aimed at realizing IOWN 3.0 by 2028. NTT has developed the photonic-electronic convergence device PEC-3, which uses compound semiconductor thin-film technology for optoelectronics. This device allows for optical and direct connections between semiconductor packages like CPUs and GPUs, enabling the creation of large-scale computing platforms that integrate multiple GPUs across racks. This advancement is set to provide commercial samples. NTT is advancing research in optical quantum computing, collaborating with OptQC Corp. to develop scalable and reliable optical quantum computers. The goal is to achieve a Japan-leading 10,000 qubits. In space business, NTT has demonstrated a method to detect early signs of road cave-ins using SAR satellites, which aids in risk assessment without on-site work. They are also working on inter-satellite optical communication terminals to handle increasing data volumes in space, aiming to build space infrastructure with high-speed computing platforms. NTT is also developing hydrogen piping technology to safely transport hydrogen, addressing the challenges of metal degradation during transportation. In FY2026, the company incurred expenses of JPY278,649 million on R&D, which as a percentage of revenue, stood at 1.9%.