Open R&D <2025 Annual Report>

Forum/Symposium/Event

The role that information communications should play in the advancement of the society and economy is of great importance. NTT has an objective to contribute to the development of information communications in Japan, and all around the world as well, by disseminating our research and development results. To achieve the objective, we are energetically developing the activities shown on the right.

  • ・Announcing research results, exchanging research with other organizations
  • ・Dissemination of R&D results through technology disclosures and other methods
  • ・Standardization activities

2024 Symposiums/Forums Schedule (arranged chronologically)

Event Date Location
Tsukuba Forum 2024 May 16-17, 2024 NTT Tsukuba R&D Center
Tsukuba International Congress Center
NTT Communication Science Laboratories
"Open House 2024"
June 24-26, 2024 NTT WEST QUINTBRIDGE, PRISM
RIKOCHALLENGE SUMMUER OF 2024 July 27, 2024 NTT Atsugi R&D Center
NTT R&D FORUM 2024 — IOWN Integral November 25-29, 2024 NTT Musashino R&D Center

Publishing of Technical Magazines

NTT publishes the following two technical magazines with the aim of disseminating research and development results.

Provides technical information on a wide range of subjects from the development of new technologies and services and the growth of various business lines in the NTT Group. It explains new technology trends in a straightforward manner for general readers.

In line with the globalization of NTT Group businesses, the NTT Technical Review is issued as a monthly magazine in English and aims to communicate NTT's R&D results and activities worldwide.

(2024 Feature Articles)
Revolutionizing Living and Working Spaces with Personalized Sound Zone, R&D and Commercialization of NTT's Large Language Model "tsuzumi", Exploring the Nature of Humans and Information for Co-creating Human-centered Technologies with AI, etc.

(2024 Feature Articles)
Research and Development of Technologies for Nurturing True Humanity, Recent Updates on Bio-soft Materials Research, Challenging the Unknown: Mathematical Research and Its Dreams, etc.

  • (1) NTT Gijutsu Journal (monthly magazine in Japanese)

    Provides technical information on a wide range of subjects from the development of new technologies and services and the growth of various business lines in the NTT Group. It explains new technology trends in a straightforward manner for general readers.

    (2024 Feature Articles)
    Revolutionizing Living and Working Spaces with Personalized Sound Zone, R&D and Commercialization of NTT's Large Language Model "tsuzumi", Exploring the Nature of Humans and Information for Co-creating Human-centered Technologies with AI, etc.

  • (2) NTT Technical Review (monthly magazine in English)

    In line with the globalization of NTT Group businesses, the NTT Technical Review is issued as a monthly magazine in English and aims to communicate NTT's R&D results and activities worldwide.

    (2024 Feature Articles)
    Research and Development of Technologies for Nurturing True Humanity, Recent Updates on Bio-soft Materials Research, Challenging the Unknown: Mathematical Research and Its Dreams, etc.

Patents and Technology Disclosures

In addition to enthusiastically obtaining patents, technology resulting from research and development across a wide range of fields is provided at a reasonable cost so that it can be utilized in the industrial world when required.

Applications for R&D patents

Major technology disclosure

2022
  • Global Solar Radiation Estimation and Forecast Correction Technology using Power Generation
  • 1 Tbit/s Class Large-Capacity Digital Coherent Optical Device
  • 1.2 Tbps Coherent Digital Signal Processor (DSP)
2023
  • Evaluation Technology for Neutron Induced Soft Errors
  • Delay-Adjustment Transmission System
  • Data Selection for Multilingual ASR Model Training
2024
  • 800G low-power coherent DSP Technology
  • Method to generate efficient operation scenario of air-conditioning system
  • Three-way selective interruption technology for loop-wired direct current microgrids

Scientific Papers and External Announcements

The results of research and development activities carried out at our research laboratories are frequently announced at domestic and international conferences and in specialized scientific journals.
These activities inspire more research and development into the field of information communications and contribute greatly to the development of science and technology.

Standardization Activities

Based on its comprehensive range of research and development on information communications, NTT has been active in fora and consortia, which are recently playing leading roles, as well as in standardization organizations such as ITU-T and ISO.
These activities also contribute to the orderly development of worldwide information communications.

Participation in de jure standardization organizations, such as ITU (FY2024)

Participants to domestic/
international SDO*
total196
* SDO: Standard Development Organization
Members of
domestic committees
total338

Degree of participation in de jure international standardization meetings (FY 2024)

683 person-days
(excluding preparatory studies)

Percentage of contributions submitted to ITU-T (2021-2024 study period)

Main Commendations and Prizes Awarded in FY2024

Organization and Award Items and Recipient
Information Processing Society Japan (IPSJ)
IPSJ Fellow
For pioneering research on system design technology to achieve an inclusive society
(Naomi Yamashita)
Award for Science and Technology (Development Category),
The Commendation for Science and Technology by the Minister of Education, Culture, Sports, Science and Technology
Development of high-efficiency Wi-Fi technology in large-scale environments
(Yasushi Takatori, Hidekuni Yoshida, Yusuke Asai, Koichi Ishihara, Shoko Shinohara)
The Institute of Electronics, Information and Communication
Engineers (IEICE)
IEICE Fellow
For research and development for practical application and advancement of high-speed optical access network systems
(Jun Terada)
The Young Scientists' Award,
The Commendation for Science and Technology by the Minister of Education, Culture, Sports, Science and Technology
Developing innovative cryptanalysis and security evaluation for standardized cryptosystem
(Yosuke Todo)

Number of R&D researchers

R&D Expenditure

Organization Chart of NTT, Inc.

Mission of Laboratories

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