Nippon Telegraph and Telephone
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, commonly known as NTT, is a Japanese
telecommunications Telecommunication is the transmission of information by various types of technologies over wire, radio, optical, or other electromagnetic systems. It has its origin in the desire of humans for communication over a distance greater than that fe ...
company headquartered in
Tokyo Tokyo (; ja, 東京, , ), officially the Tokyo Metropolis ( ja, 東京都, label=none, ), is the capital and largest city of Japan. Formerly known as Edo, its metropolitan area () is the most populous in the world, with an estimated 37.468 ...
, Japan. Ranked 55th in ''Fortune'' Global 500, NTT is the fourth largest telecommunications company in the world in terms of
revenue In accounting, revenue is the total amount of income generated by the sale of goods and services related to the primary operations of the business. Commercial revenue may also be referred to as sales or as turnover. Some companies receive reven ...
, as well as the third largest publicly traded company in Japan after
Toyota is a Japanese multinational automotive manufacturer headquartered in Toyota City, Aichi, Japan. It was founded by Kiichiro Toyoda and incorporated on . Toyota is one of the largest automobile manufacturers in the world, producing about 10 ...
and
Sony , commonly stylized as SONY, is a Japanese multinational conglomerate corporation headquartered in Minato, Tokyo, Japan. As a major technology company, it operates as one of the world's largest manufacturers of consumer and professional ...
, as of June 2022. The company is incorporated pursuant to the NTT Law (). The purpose of the company defined by the law is to own all the shares issued by Nippon Telegraph and Telephone East Corporation (NTT East) and Nippon Telegraph and Telephone West Corporation (NTT West) and to ensure proper and stable provision of telecommunications services all over Japan including remote rural areas by these companies as well as to conduct research relating to the telecommunications technologies that will form the foundation for telecommunications. On 1 July 2019, NTT Corporation launched
NTT Ltd. NTT may refer to: * National Native Title Tribunal (NTT), Australian government instrumentality * NATO countries, as per NATO country code * New Technology Telescope, a 3.6m telescope at La Silla Observatory, Chile * New Technology Train, a series ...
, an $11 billion de facto holding company business consisting of 28 brands from across NTT Security, NTT Communications and Dimension Data. While NTT is listed on the
Tokyo Stock Exchange The , abbreviated as Tosho () or TSE/TYO, is a stock exchange located in Tokyo, Japan. It is the third largest stock exchange in the world by aggregate market capitalization of its listed companies, and the largest in Asia. It had 2,292 listed co ...
and the
OTC Markets Group OTC Markets Group (previously known as Pink Sheets) is an American financial market providing price and liquidity information for almost 10,000 over-the-counter (OTC) securities. The group has its headquarters in New York City. OTC-traded sec ...
's Pink (and formerly in the
New York Stock Exchange The New York Stock Exchange (NYSE, nicknamed "The Big Board") is an American stock exchange in the Financial District of Lower Manhattan in New York City. It is by far the world's largest stock exchange by market capitalization of its listed c ...
under the ticker code "NTT" and in the
London Stock Exchange London Stock Exchange (LSE) is a stock exchange in the City of London, England, United Kingdom. , the total market value of all companies trading on LSE was £3.9 trillion. Its current premises are situated in Paternoster Square close to St Pau ...
under the ticker code "NPN"), the
Japanese government The Government of Japan consists of legislative, executive and judiciary branches and is based on popular sovereignty. The Government runs under the framework established by the Constitution of Japan, adopted in 1947. It is a unitary state, c ...
still owns roughly one-third of NTT's
shares In financial markets, a share is a unit of equity ownership in the capital stock of a corporation, and can refer to units of mutual funds, limited partnerships, and real estate investment trusts. Share capital refers to all of the shares of an ...
, regulated by the NTT Law.


History

Established as a
state monopoly In economics, a government monopoly or public monopoly is a form of coercive monopoly in which a government agency or government corporation is the sole provider of a particular good or service and competition is prohibited by law. It is a monopoly ...
in August 1952 to take over the Japanese telecommunications system operated by
AT&T AT&T Inc. is an American multinational telecommunications holding company headquartered at Whitacre Tower in Downtown Dallas, Texas. It is the world's largest telecommunications company by revenue and the third largest provider of mobile tel ...
during the
Occupation of Japan Japan was occupied and administered by the victorious Allies of World War II from the 1945 surrender of the Empire of Japan at the end of the war until the Treaty of San Francisco took effect in 1952. The occupation, led by the United States wi ...
, was
privatized Privatization (also privatisation in British English) can mean several different things, most commonly referring to moving something from the public sector into the private sector. It is also sometimes used as a synonym for deregulation when ...
in 1985 to encourage competition in the country's telecom market. In 1987, NTT made the largest
stock offering A public offering is the offering of securities of a company or a similar corporation to the public. Generally, the securities are to be listed on a stock exchange. In most jurisdictions, a public offering requires the issuing company to publish a ...
to date, at US$36.8 billion. Because NTT owns most of Japan's last mile infrastructure (incl.
FTTC Fiber to the ''x'' (FTTX; also spelled "fibre") or fiber in the loop is a generic term for any broadband network architecture using optical fiber to provide all or part of the local loop used for last mile telecommunications. As fiber optic ...
or FTTB/FTTH), it enjoys
oligopolistic An oligopoly (from Greek ὀλίγος, ''oligos'' "few" and πωλεῖν, ''polein'' "to sell") is a market structure in which a market or industry is dominated by a small number of large sellers or producers. Oligopolies often result fro ...
control over land lines in Japan. In order to weaken NTT, the company was divided into a holding company (NTT) and three telecom companies (NTT East, NTT West, and NTT Communications) in 1999. The NTT Law regulating NTT East and West requires them to serve only short-distance communications and obligates them to maintain telephone service all over the country. They are also obligated to lease their unused optical fiber (
dark fiber A dark fibre or unlit fibre is an unused optical fibre, available for use in fibre-optic communication. Dark fibre may be leased from a network service provider. Dark fibre originally referred to the potential network capacity of telecommunic ...
) to other carriers at regulated rates. NTT Communications is not regulated by the NTT Law. In July 2010, NTT and
South Africa South Africa, officially the Republic of South Africa (RSA), is the southernmost country in Africa. It is bounded to the south by of coastline that stretch along the South Atlantic and Indian Oceans; to the north by the neighbouring countri ...
n IT company Dimension Data Holdings announced an agreement of a cash offer from NTT for Dimension Data's entire issued share capital, in £2.12bn ($3.24bn) deal. In late 2010, NTT's Japan-to-US transpacific network reached 400 Gbit/s. In August 2011, its network capacity was expanded to 500 Gbit/s.


Corporate history timeline

*1952 Nippon Telegraph and Telephone Public Corporation established *1979 INS Concept announced *1985 Nippon Telegraph and Telephone Corporation (NTT) incorporated as a private company *1987 NTT listed on the First Section of the Tokyo Stock Exchange *1988
NTT DATA is a Japanese multinational information technology (IT) service and consulting company headquartered in Tokyo, Japan. It is a partially-owned subsidiary of Nippon Telegraph and Telephone (NTT). Japan Telegraph and Telephone Public Corporation ...
Corporation started operations *1990 VI&P Concept announced *1992 NTT Mobile Communications Network, Inc. (presently NTT DOCOMO) started operations *1994 Basic Concept for the Coming Multimedia Age announced *1995 NTT DATA listed on the Second Section of the Tokyo Stock Exchange *1996 21st Century R&D Vision announced *1996 NTT DATA listed on the First Section of the Tokyo Stock Exchange *1997 Digitization of communications network in Japan completed *1998 Global Information Sharing Concept announced *1998 NTT DOCOMO listed on the First Section of the Tokyo Stock Exchange *1999 NTT's operations reorganized into a holding-company structure: businesses transferred to three new wholly owned subsidiaries (NTT East, NTT West, and NTT Communications) *2002 prefecture-based subsidiaries of NTT East and NTT West started operations *2002 "Vision for a New Optical Generation" announced *2004 NTT Urban Development Corporation listed on the First Section of the Tokyo Stock Exchange *2004 "NTT Group's Medium-Term Management Strategy" announced *2008 announcement of a new Medium-Term Management Strategy: "Road to Service Creation Business Group"


Subsidiaries

NTT Group consists of the following major companies, divided into five segments. NTT East, NTT West, NTT Communications, NTT Docomo, and NTT Data are most major subsidiaries. NTT Docomo and NTT Data are listed on the stock markets. NTT Urban Development is a subsidiary involved in
real estate Real estate is property consisting of land and the buildings on it, along with its natural resources such as crops, minerals or water; immovable property of this nature; an interest vested in this (also) an item of real property, (more general ...
. NTT Communications' business outside of Japan became part of
NTT Ltd. NTT may refer to: * National Native Title Tribunal (NTT), Australian government instrumentality * NATO countries, as per NATO country code * New Technology Telescope, a 3.6m telescope at La Silla Observatory, Chile * New Technology Train, a series ...
on 1 July 2019.


Regional

*Nippon Telegraph and Telephone East Corporation (NTT East) *Nippon Telegraph and Telephone West Corporation (NTT West)


Long distance and international

*
NTT Communications , or NTT Com, is a Japanese telecommunications company which operates an international network in over 190 countries/regions, with locations in more than 70 countries/regions. The company has approximately 5,500 employees (NTT Communications ...
*
NTT MSC NTT may refer to: * National Native Title Tribunal (NTT), Australian government instrumentality * NATO countries, as per NATO country code * New Technology Telescope, a 3.6m telescope at La Silla Observatory, Chile * New Technology Train, a series ...
* Verio Inc *
NTT America NTT may refer to: * National Native Title Tribunal (NTT), Australian government instrumentality * NATO countries, as per NATO country code * New Technology Telescope, a 3.6m telescope at La Silla Observatory, Chile * New Technology Train, a serie ...
* NTT Europe * HKNet * Plala Networks


Mobile

* NTT Docomo


Data (system integration)

*
Dimension Data Dimension Data is a company specialising in information technology services. Based in Johannesburg, South Africa, the company maintains operations on every inhabited continent. Dimension Data focuses on services including IT consulting, technic ...
(now part of NTT Ltd. except in the Middle East and Africa Region) *e-shelter *Gyron Internet Ltd *
NTT Data is a Japanese multinational information technology (IT) service and consulting company headquartered in Tokyo, Japan. It is a partially-owned subsidiary of Nippon Telegraph and Telephone (NTT). Japan Telegraph and Telephone Public Corporation ...
*
NTT Comware NTT Comware Corporation (エヌ・ティ・ティ・コムウェア株式会社 in Japanese) is a system integration company which serves mainly the NTT Group. It started as the old NTT's IT Services department and was incorporated as a wholly ...
*NTT Software *NTT AT *NTT IT


Information security


NTT Security
(now part of
NTT Ltd. NTT may refer to: * National Native Title Tribunal (NTT), Australian government instrumentality * NATO countries, as per NATO country code * New Technology Telescope, a 3.6m telescope at La Silla Observatory, Chile * New Technology Train, a series ...
as of the 1st July 2019) .


R&D laboratories

*Service Innovation Laboratory Group **Service Evolution Laboratories (
Yokosuka is a city in Kanagawa Prefecture, Japan. , the city has a population of 409,478, and a population density of . The total area is . Yokosuka is the 11th most populous city in the Greater Tokyo Area, and the 12th in the Kantō region. The city ...
) **Media Intelligence Laboratories (Yokosuka) **Software Innovation Center ( Musashino and
Shibaura is a district of Minato ward located in Tokyo, Japan. The district is located between the eastern side of the Yamanote Line train and Tokyo Bay. Shibaura consists mostly of artificial islands created by the excavation of industrial canals in ...
) **Secure Platform Laboratories (Musashino) *Information Network Laboratory Group **Network Technology Laboratories (Musashino) **Network Service Systems Laboratories (Musashino) **Access Network Service Systems Laboratories (
Tsukuba is a city located in Ibaraki Prefecture, Japan. , the city had an estimated population of 244,528 in 108,669 households and a population density of 862 persons per km². The percentage of the population aged over 65 was 20.3%. The total ar ...
and Yokoska) **Energy and Environment Systems Laboratories (
Atsugi is a city located in Kanagawa Prefecture, Japan. , the city had an estimated population of 223,960 and a population density of 2400 persons per km². The total area of the city is . While the name "Atsugi" is often associated with the United ...
) *Science and Core Technology Laboratory Group **Network Innovation Laboratories (Yokoska) **Microsystem Integration Laboratories (Atsugi) **Photonics Laboratories (Atsugi) **Communication Science Laboratories ( Keihanna and Atsugi) **Basic Research Laboratories (Atsugi) *NTT Research, Inc. (
East Palo Alto, California East Palo Alto (abbreviated E.P.A.) is a city in San Mateo County, California, United States. As of the 2020 census, the population of East Palo Alto was 30,034. It is situated on the San Francisco Peninsula, roughly halfway between the cities of ...
) **Physics & Informatics (PHI) Laboratory **Cryptography and Information Security (CIS) Laboratory **Medical and Health Informatics (MEI) Laboratory


Sponsorship

*
Omiya Ardija is a professional association football club based in Ōmiya in Saitama, Japan. Its "hometown" as designated by the league is the whole of Saitama city, which is shared with neighbours Urawa Red Diamonds. Omiya competed in the J1 League follow ...
and
Roasso Kumamoto is a Japanese football club based in Kumamoto, the capital city of Kumamoto Prefecture. The club currently plays in the J2 League, which is the second tier of football in the country. ''Roasso'' is a portmanteau of the Italian words ''rosso'' a ...
(Japanese football clubs formerly affiliated with NTT) *
Dandelion Racing Dandelion Racing is a Japanese racing team, mainly running in Super Formula. The team was founded by Kiyoshi Muraoka in 1989 as "Dandelion Racing Project". Early years (1993-1998) The team made a small sponsor contract with NTT Docomo in 1993 ...
,
Super Formula The Japanese Super Formula Championship is a formula racing series. It is considered as being the top level of single-seater racing in Japan and regional motorsports in Asia. The series is sanctioned by the Japan Automobile Federation (JAF) an ...
team affiliated with NTT Docomo. *
Chip Ganassi Racing Chip Ganassi Racing, LLC (CGR), also sometimes branded as Chip Ganassi Racing Teams, is an American auto racing organization with teams competing in the IndyCar Series, NTT IndyCar Series, International Motor Sports Association, IMSA WeatherTech ...
in the
IndyCar Series The IndyCar Series, currently known as the NTT IndyCar Series under sponsorship, is the highest class of regional North American open-wheel single-seater formula racing cars in the United States, which has been conducted under the auspices of ...
(affiliated with NTT Data, drivers include
Ryan Briscoe Ryan Briscoe (born 24 September 1981) is an Australian-American professional racing driver from Sydney who has predominantly raced open-wheel and sports cars in Europe and America. In IndyCar he collected 8 wins and 28 podiums, finishing third ...
,
Tony Kanaan Antoine Rizkallah "Tony" Kanaan Filho (born 31 December 1974), nicknamed TK, is a Brazilian racing driver. He currently competes full-time in the Brazilian Stock Car Pro Series, driving the No. 6 Toyota Corolla E210 for Full Time Bassani a ...
,
Scott Dixon Scott Ronald Dixon (born 22 July 1980) is a professional racing driver from New Zealand, who competes in the NTT IndyCar Series for Chip Ganassi Racing. Dixon has won the IndyCar championship six times: in 2003, 2008, 2013, 2015, 2018 and 202 ...
, Ed Jones, and
Felix Rosenqvist Felix Rosenqvist (born 7 November 1991) is a Swedish professional racing driver who currently drives the No. 6 Chevrolet for Arrow McLaren SP in the NTT IndyCar Series. He was named Rookie of the Year for the IndyCar Series in 2019. Racing car ...
). In 2019, NTT also became title sponsor of the series. *
NTT Pro Cycling Team Qhubeka () was a UCI WorldTeam based in South Africa. The team rode to raise awareness and funds for Qhubeka, a South African not-for-profit organisation. The team was founded in 2007 and was the first-ever African team to ride the Tour de ...
,
UCI WorldTeam A UCI WorldTeam (2015–present), previously UCI ProTeam (2005–2014), is the term used by the Union Cycliste Internationale (UCI) to name a cycling team of the highest category in professional road cycling, the UCI World Tour or UCI ProTour ...
cycling team based in
South Africa South Africa, officially the Republic of South Africa (RSA), is the southernmost country in Africa. It is bounded to the south by of coastline that stretch along the South Atlantic and Indian Oceans; to the north by the neighbouring countri ...
.


See also

*
Telegraph Telegraphy is the long-distance transmission of messages where the sender uses symbolic codes, known to the recipient, rather than a physical exchange of an object bearing the message. Thus flag semaphore is a method of telegraphy, whereas p ...
*
Telephone A telephone is a telecommunications device that permits two or more users to conduct a conversation when they are too far apart to be easily heard directly. A telephone converts sound, typically and most efficiently the human voice, into e ...
*
List of telephone operating companies This list identifies the fixed line operators and the mobile operators for the top 200 most populous countries in the world. The list of countries and their populations is from List of countries by population. The CIA World Factbook is cited ...


References


External links

*
NTT Research Inc.NTT Innovation Institute, Inc.

NTT Disruption

NTT Group
{{DEFAULTSORT:Nippon Telegraph And Telephone Telecommunications companies based in Tokyo Conglomerate companies based in Tokyo Internet service providers of Japan Japanese brands Defense companies of Japan Public safety communications Conglomerate companies established in 1985 Telecommunications companies established in 1985 Japanese companies established in 1985 Privatized companies of Japan Companies listed on the Tokyo Stock Exchange Companies formerly listed on the New York Stock Exchange Companies listed on the Osaka Exchange Telecommunications companies of Japan