Electronic directory assistance service started.
Successful field test of 256 QAM digital microwave system.
Practical use of an SC-type optical fiber connector
Successful experiment of ultrahigh-capacity light wave communication at 4 Gbps over a distance of 200 km.
Prototype of ballistic carrier transistor (BCT) developed.
Successful development of oxide superconductor single-crystal thin-film.
High-speed data encryption LSI, FEAL-8, developed.
Narrow spectral line width multielectrode array DFB laser developed.
Prototype of a new transistor using quantum thin line developed.
Successful field test of a new optical transmission system using fiber optical amplifier.
Ultrahigh-speed compound semiconductor transistor for optical transmission developed.
Color video CODEC for ISDN developed.
150-cc cellular phone developed.
Unified specification for multi-vendor computers (MIA 1) completed.
VI&P Experiment started.
Electronic signature system, ESIGN, developed.
SOR lithographic system for VLSI development completed.
Successful on-site test of 10-Gbps optical transmission.
ATM (node, link and LAN) system test started.
Feasibility of spontaneous emission control diode verified.
Experiment of optical fiber subscriber transmission system started.
Search algorithm with application of priority-to-the-best algorithm developed.
The second phase of VI&P Experiment started.
Half-rate audio CODEC algorithm for mobile communications developed.
0.2-micron-level LSI basic technology established.
Portable earth station for disaster developed.
Collaboration support system using computer network (COGENT) developed.
Ultrahigh-definition 110-inch large screen display developed.
Prototype of single-electron transistor using silicon's submicroscopic structure developed.
Low-power baseband generic LSI for PHS developed.
Experiment of personal multimedia communication service (the third phase of VI&P)started.
Successful 20-Gbps optical soliton transmission over an in-service circuit for a distance of 1000 km.
Successful experiment of 400-Gbps wavelength-multiplexing, ultrahigh-speed large-capacity optical transmission using single-super light source.
Validation of a new quantum mechanics effect of supercurrent that flows in a semiconductor.
New nodes put in service in Science Information Network and PHS systems.
New optical access system (known as p system) developed.
Prototype of optical ATM switches developed, and 40-Gbps capacity achieved.
Optical wavelength filter based on a new principle for tolerance to temperature changes developed.
Experiment system of new, secure, reliable and efficient electronic money developed.
Prototype of wristwatch-type PHS terminal with voice dialing function developed.
System integration technology for highly-realistic multimedia teleconferencing system developed.
Commercial introduction of new network node system started.
Commercial FTTH network developed, and testing of CATV video transmission service started in Totsuka, Yokohama.
Systems for cyber society, personal video broadcasting experiment station and cyber shops using the Internet developed.
Image content distribution system with built-in copyright protection developed.
Analog-to-digital LSI operated at one volt developed.
xDSL field test started.
Network-based audio system, "SolidAudio," developed.
On-demand remote lecture system constructed and joint experiment started.
Development test of network service between advertising and publishing industries started.
Four leading world telecom companies complete development of common technical specification for high-capacity optical network access system.
Breakthrough in elliptic encryption technology with promise for next-generation cryptography.
Agreement reached to jointly develop IC card information distribution platform.
Joint construction of optical fiber sensor hull damage detection system.
Developed optical fiber strain sensor to diagnose integrity of concrete structures.
Opening of NTT Musashino R&D Center main building.
Reorganized NTT, including the creation of three laboratory groups
Launched video delivery trial of Paris-Contents Distribution Service (iFrench).
Launch FTTH collaborative trial of local information sharing business in Kanazawa city.
Joint development of next-generation encryption algorithm Camellia by NTT and Mitsubishi Electric.
Collaborative effort to build optical fiber sensor hull damage detection system.
Developed large-capacity, full-mesh network system using orbiting arrayed waveguide grating filter.
Development of 3D display without requiring special glasses based on novel world-class discovery.
Successful real-time VLBI observation experiment at world's fastest data rate of 1Gbit/s.
Developed FlexTicket digital ticket system allowing single smartcard to be used for wide-ranging service including travel and entertainment.
Developed world's first non-soil discharge mole robot to install conduit without excavation.
Developed network security technologies that support advanced commercial services over IPv6 Internet.
Developed photonic MPLS router that supports future ultra-large-capacity Internet backbone.
Developed satellite communication system that provides multicast collection and distribution services nationwide.
Began collaborative video distribution system trial over optical fiber cable.
NTT, Hitachi, and Matsushita began collaborative research aiming at next-generation e-commerce over optical networks.
Developed world's fastest 100 Gbit/s optical communication IC.
Developed wireless IP access system (WIPAS) that operates in the 26 GHz band.
First implementation of information sharing control technology based on Liberty Alliance Specifications.
Practical application of new optical holey fiber structure.
First to develop multicast MPLS for next-generation broadband services.
NTT joined two leading Japanese firms to develop world's first elliptic curve cryptosystem (ECDSA signature) packaging technology.
Developed Moving Firewall that defends against DDoS attacks by tracing attacks upstream to their source while protecting the entire network.
Developed Privango Email System that effectively blocks spam and other junk email.
Developed home gateway security technology enabling remote control over network appliances at home.
Developed world's fastest 10Gb/s packet classification and forwarding board for advanced functions on high-speed networks.
Began operating wide-area IP network route monitoring and diagnostic system ENCORE on NTT Com's OCN to build an Internet environment with outstanding stability.
Developed KTN crystal with world's highest electro-optic effect
Successful interconnection trial of terabit-class network control technology.
Developed preinstalled optical wiring kit for FTTH enabling fast and easy deployment of massive optical access networks.
Roll out Japan's first 128-bit block cipher algorithm Camellia as next-generation standard encryption scheme on the Internet.
Develop prototype next-generation high-output compact fuel cell that can be directly mounted in mobile phones.
Developed one-chip fingerprint sensor LSI.
Developed a free-bending optical fiber cord using a 'holey fiber'
Began US-Japan telemedicine fetal care management trial by linking research and education networks.
The OpenSSL Project, an international open source community, adopted Japan's own Camellia algorithm as next-generation international standard.
Developed IP optical traffic engineering technology for integrated traffic control of IP and optical networks.
Successful demonstration of world's largest capacity WDM transmission of 14 Tbit/s (111 Gbps x 140 channels).
Elliptic curve based PSEC-KEM adopted as the ISO/IEC international standard cipher.
New world record for integer factorization used to verify security of public key cryptography.
Established Japan Computer Security Incident Response Team.
Joint field trials exploit multiple networks to enhance disaster-prevention information communication system to improve quality of citizen's daily lives.
Stepped up adoption of next-generation cipher Camellia to major open-source software.
US-based Verizon adopted NTT developed multifiber MTR connector in its FTTH wiring system.
Development of commercial NGN systems move toward practical deployment.
R&D progress on NGN-compliant IPTV system.
Begin demonstration trials of robust media search technology capable of processing vast amounts of contributed content.
Developed thin, low-friction indoor optical fiber cable.
World's first demonstration of quantum computation based on quantum teleportation.
Successful demonstration of ultra-high capacity optical transmission of 13.4 Tbit/s over a single 3,600-km fiber.
Developed commercial power generation module based on solid oxide fuel cells that achieved world's highest electrical conversion efficiency of 59%.
New world record in prime factorization, the basis of security in public key cryptography.
NILFS, first file system from Japan, merged into Linux.
Exploit NTT optical technology to develop hybrid optoelectronic packet router that achieve significant power savings.
Successfully developed multiple two-qubit operational element.
Developed capability to dynamically configure virtual networks through integrated control of optical paths and IP links.
World's first successful transmission of real-time multiuser-MIMO exceeding 1 Gbit/s.
Developed an attojoule optical switch enabling an optical network on a chip.
In collaboration with Nicira Networks, demonstrated remote live migration to any unspecified data center.
World's first field trial of 10Gbit/s-100km class high-speed and wide-area optical access
Developed the Koemiru system to enable conversation with the hearing disabled.
Successfully developed and demonstrated digital signal processing circuits supporting 100 Gb/s optical transmission.
Successfully demonstrated the principle of quantum memory.
Developed world's highest-density multifiber cable.
Developed new equipment power estimation procedure.
Successful demonstration of world's largest capacity optical transmission of one petabit per second (Pb/s) over a distance of 50 km.
Developed groundbreaking process for release of GaN-based thin-film devices from substrates.
Created unique fabric that can be made into t-shirts or other articles of clothing that is capable of continuous monitoring electrocardiograms (ECGs) and heart rate.
Developed Jubatus, an open source machine learning platform that intelligently analyzes streams of big data instantaneously.
Reorganized NTT Laboratories into the current three laboratory groups
Obtained first OpenADR 2.0 Profile A certification in Japan in compliance with OpenADR international standards.
First domestic approval of trial use case of service chaining as a proof of concept by ETSI.
Developed a laser that transmits data at one-tenth the energy consumption of conventional lasers.
Developed an ICT car enabling immediate recovery of communications in the event of a natural disaster.
Developed high-resolution HEVC encoding engine that doubles the compression performance of the H.264 compression standard.
Established the NTT Innovation Institute, Inc. as a research hub in North America
Developed intelligent microphone technology capable of picking up clear sound even under noisy conditions.
FireFort-LDGM FEC R&D and MMT standardization activity tested in World Cup Brazil 8K public viewing trials.
Developed wearable biosignal sensing technology with "hitoe".
R&D of advanced speech recognition technology based on deep learning.
Implemented NetroSphere, a radical new R&D concept that transforms the career network approach.
Practical deployment of 100-Gb/s packet transport system.
Successfully demonstrated world's top-level 400 Gb/s-class optical transmission technology.
Developed HEVC encoder LSI that supports ultra-high definition 4K/8K video.
Scientific elucidation of liquid recognition by humans and development of Hengento Projection.
Study of extending a transmission distance using WDM simultaneous compensation of nonlinear distortion without degradation of spectrum efficiency.
Practical application of transparent optical fiber which is thin, transparent, and aesthetically pleasing (received the Good Design Award in 2015).
Proposed the FASA as a future access system concept that treats access equipment as components based on the NetroSphere concept.
Practical implementation of a module separating data and control in 050 VoIP networks.
Deployed NTT's open source software GoBGP in Internet Multifeed's JPNAP service.
R&D of ultralow-power 400 G per channel digital coherent device (DSP).
Launched Train the Brain to Win, a sports brain science project.
New computation scheme for solving combinatorial optimization problems using light.
Rolled out compact accelerator-driven neutron irradiation service to reproduce soft errors-abnormal operation of electronic equipment caused by cosmic rays.
Working with other institutions, standardized algorithm for estimating quality of adaptive-bit-rate video streaming.
Achieved significant resource and energy savings by deploying high-voltage DC power supply systems.
NTT's secret sharing scheme is one of schemes that have been adopted as the first international standard of secret sharing schemes.
Launched Pitarie, a picture book retrieval system based on children's vocabulary development.
Demonstrated world's first laser oscillation and high-speed modulation using optical communication wavelength band nanowire.
Launched APAC Telecom Innovation Initiative (ATII), an R&D initiative aimed at developing new network services throughout the APAC region.
Developed Taper DIA Manhole Cover that is easier to open and stands up better to abrasion (awarded the Good Design Award of 2017).
Successfully completed first APAC carrier collaborative trials of innovative Multi-Service Fabric (MSF) data transfer service. Demonstrated viability of White Box Switching.
Multi-path-tolerant GNSS receiver developed, dramatically increasing accuracy in severe environments
Prospect for realizing 600Gbps per lambda optical network and data transfer protocol maximizing its utilization, aiming for ultra - fast transfer of big data yielded by advanced science and technology research -
Innovation in Laser Processing Technology for Social Infrastructure Products by Optical Fiber Technology for Information and Communication
NTT develops a new cryptographic technique to enhance the security of post-quantum public-key encryption
NTT successfully demonstrates 100 Gbps wireless transmission using a new principle (OAM multiplexing) as a world's first
- New groundbreaking technology for achieving next generation of 5G systems -
Confirmation of the basic operation of ‘transparent battery’ that adapts to the surroundings
- Toward further expansion of IoT potential -
Creation of novel material Sr3OsO6 with the highest ferromagnetic transition temperature among insulators
- Breaking the world record for the first time in 88 years -