NTT Communications Corporation (NTT Com) — legal name エヌ・ティ・ティ・コミュニケーションズ株式会社 — is a Tokyo-based telecommunications and ICT provider headquartered at Otemachi Place West Tower, 2-3-1 Otemachi, Chiyoda-ku, Tokyo. It was established July 1, 1999, out of the reorganization of the NTT Group, and is not listed; it is a wholly owned subsidiary of Nippon Telegraph and Telephone Corporation (NTT, TSE: 9432 / NYSE: NTTYY), whose direct parent since January 2022 has been NTT DOCOMO (per company disclosures and Japanese Wikipedia). The company reports FY2023 operating revenues of ¥1,119.7 billion and operating income of ¥96.4 billion, with 9,050 employees at NTT Communications itself and about 17,200 across the NTT Communications Group (company corporate overview, as of September 30, 2024).
It is an operating company, not a licensor shell. NTT Com provides domestic long-distance and international telecommunications, plus ICT services and solutions: network and mobile services, cloud and data-center services (marketed historically under the "Nexcenter" data-center brand), security, applications, data utilization/AI, and 5G and IoT offerings delivered under the "docomo business" brand as the core corporate-business unit of the NTT DOCOMO Group. It operates submarine cable systems, a global Tier-1 IP network, and overseas subsidiaries and affiliates.
Litigation posture: pure defendant. The tracked data show 1 case as defendant and 0 as plaintiff, consistent with an operating company being targeted rather than an entity asserting patents. The single tracked matter is Valtrus Innovations Ltd. v. NTT Data Services, LLC et al. (2:24-cv-00361-JRG), filed May 14, 2024, in the U.S. District Court for the Eastern District of Texas, Marshall Division — a plaintiff-friendly venue. NTT Communications Corp. was named alongside NTT Data Services, LLC, NTT Data Americas, Inc., and NTT Data, Inc.
Context: Valtrus is characterized by Unified Patents, Stanford's NPE litigation database, and court filings as a non-practicing patent assertion entity backed by the Irish monetization platform Key Patent Innovations, asserting a portfolio acquired from Hewlett Packard in 2021. The asserted patents in the NTT matter concern data-center cooling, atmospheric/thermal mapping, and environmental control — technology relevant to NTT's data-center operations. A later Valtrus complaint against NTT Global Data Centers Americas was filed in the Northern District of Illinois in 2026, indicating the dispute concerns the operating entity for NTT's U.S. data centers.