Open R&D <2024 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

2023 Symposiums/Forums Schedule (arranged chronologically)

Event Date Location
Tsukuba Forum 2023 May 17-18, 2023 NTT Tsukuba R&D Center
Tsukuba International Congress Center
NTT Communication Science Laboratories
"Open House 2023"
June 1-2, 2023 NTT WEST QUINTBRIDGE
RIKOCHALLENGE SUMMUER OF 2023 August 10, 2023 NTT Atsugi R&D Center
NTT R&D FORUM 2023 — IOWN ACCELERATION November 14-17, 2023 NTT Musashino R&D Center
Online

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.

(2023 Feature Articles)
Toward Quantum Technology Innovation, Launch of APN IOWN1.0 Service, Toward More Robust Networks, etc.

(2023 Feature Articles)
Plasmon Control Technology, The Forefront of Cryptography Research with an Eye on the Quantum Era, Designing a Future Where Everyone Can Flourish by Sharing Diverse Knowledge and Technologies, 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.

    (2023 Feature Articles)
    Toward Quantum Technology Innovation, Launch of APN IOWN1.0 Service, Toward More Robust Networks, 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.

    (2023 Feature Articles)
    Plasmon Control Technology, The Forefront of Cryptography Research with an Eye on the Quantum Era, Designing a Future Where Everyone Can Flourish by Sharing Diverse Knowledge and Technologies, 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

2021
  • High Quality Text-to-Speech Engine with Neural Speech Waveform Generation
  • 50G-Class High-Output-Power EML and High-Sensitivity Photodiode
  • Long Distance Bidirectional Power Transmission Technology for Supplying DC Power to the Outdoors
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

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 (FY2023)

* SDO: Standard Development Organization

Degree of participation in de jure international standardization meetings (FY 2023)

Percentage of contributions submitted to ITU-T (2017-2020 study period)

Main Commendations and Prizes Awarded in FY2023

Organization and Award Items and Recipient
The Young Scientists' Award
The Commendation for Science and Technology by the Minister of Education, Culture, Sports, Science and Technology
Research on modeling multimodal communication and facilitating human and human-computer interactions
(Ryo Ishii)
Maejima Hisoka Award
Tsushinbunka Association
Research and development of a mobile application technology for high-speed terminals using 60GHz band millimeter-wave, high-capacity wireless transmission
(Daisei Uchida, Tatsuhiko Iwakuni, Masaaki Koiwa, and Yukihiko Okumura)
Maejima Hisoka Encouragement Award
Tsushinbunka Association
Research on long-haul optical repeatered transmission systems using mode division multiplexing
(Kouki Shibahara)
IEEE Photonics Society 2023 William Streifer Scientific Achievement Award
IEEE Photonics Society
For contributions to ultra-high speed, low power consumption membrane lasers and their heterogeneous integration
(Shinji Matsuo)
JSAP Fellow
The Japan Society of Applied Physics (JSAP)
Exploration of novel properties of photonic crystals and application to integrated nanophotonics
(Masaya Notomi)
2024 Fellow
Optica (formerly OSA)
For achievements and leadership in advancing optical access architecture and technologies
(Jun-ichi Kani)
Fellow
The Institute of Electronics, Information and Communication Engineers (IEICE)
Research and practical application of the advanced open source cloud
(Yoji Yamato)
IPSJ Contribution Award
Information Processing Society of Japan (IPSJ)
Contribution to the technology and legal system of data security and privacy
(Katsumi Takahashi)

Number of R&D researchers

* The total number of employees of the NTT Holding Company Laboratories is posted.

R&D Expenditure

* Research and development expenses of the NTT Holding Company on a non-consolidated basis are posted.

Organization Chart of Nippon Telegraph and Telephone Corporation

Mission of Laboratories

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