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KDDI

KDDI Corporation (Japanese: KDDI株式会社, Hepburn: Keidīdīai kabushiki gaisha) is a Japanese telecommunications operator. It was established in 2000 through the merger of DDI Corporation (第二電電, Daini Denden), a long-distance communications company; KDD Corporation (ケイディディ), Japan's former state-monopoly international telecommunications provider; and Ido…

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History

3GCDMA2000 1xEV-DO Rev AGPSWAP
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Overview

JapaneseHepburnAuNTT DocomoISP
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Key facts & relationships

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Founded
1953; 73 years ago (1953) (establishment of Kokusai Denshin Denwa or KDD as a state-owned enterprise) June 1, 1984; 42 years ago (1984-06-01) (as DDI)
Industry
Telecommunications
Headquarters
Iidabashi, Chiyoda, Tokyo, Japan
Formerly
DDI Corporation (1984–2000)
Founder
Government of Japan (for the KDD branch) Kazuo Inamori (for the DDI branch)
Key people
Takashi Tanaka (businessman) [jp] (CEO) Makoto Takahashi (businessman) [jp] (president & CEO)

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Overview

History

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Map overview Semantic statistics

KDDI

Nodes49
Edges48
Triples57
Avg. degree1.96
Density0.040816
Components1

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KDDI

Top relations

Subsidiaries · 25
KDDI → Aeon Holdings (100%), au Energy Holdings, au Financial Holdings [jp] (100%), BIGLOBE (100%), Chubu Telecommunications [jp] (80.5%), J:COM (50%), Japan Telecommunication Engineering Service, Kakaku.com (17.4%), KDDI America, KDDI Asia Pacific, KDDI Cableships & Subsea Engineering, KDDI China, KDDI Digital Divergence Holdings, KDDI Engineering, KDDI Matomete Office, KDDI Research [jp] (91.7%), Kyocera Communication System (23.4%), Lac (32.4%), Mobaoku (33.4%), Okinawa Cellular Telephone Company (53.9%)
related to history · 8
KDDI → CDMA, CDMA2000, EV-DO Rev, Japan's, Mbit/s, On April, On November, WIN
see also · 5
KDDI → India Private LimitedList, Japan, MobileG-Book, Tokyo, Toyota
Products · 4
KDDI → digital television, Fixed line, Internet services, mobile telephony
Formerly · 1
KDDI → DDI Corporation (1984–2000)
Founded · 1
KDDI → 1953; 73 years ago (1953) (establishment of Kokusai Denshin Denwa or KDD as a state-owned enterprise) June 1, 1984; 42 years ago (1984-06-01) (as DDI)
Founder · 1
KDDI → Government of Japan (for the KDD branch) Kazuo Inamori (for the DDI branch)
Headquarters · 1
KDDI → Iidabashi, Chiyoda, Tokyo, Japan
Industry · 1
KDDI → Telecommunications
Key people · 1
KDDI → Takashi Tanaka (businessman) [jp] (CEO) Makoto Takahashi (businessman) [jp] (president & CEO)

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Important terminology

mobile au services telecommunications operator brand japan company network service ddi cellular corporation 3g telecommunication citation needed phone japan's companies

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
KDDIFormerlyDDI Corporation (1984–2000)1.00infobox
KDDIFounded1953; 73 years ago (1953) (establishment of Kokusai Denshin Denwa or KDD as a state-owned enterprise) June 1, 1984; 42 years ago (1984-06-01) (as DDI)1.00infobox
KDDIFounderGovernment of Japan (for the KDD branch) Kazuo Inamori (for the DDI branch)1.00infobox
KDDIHeadquartersIidabashi, Chiyoda, Tokyo, Japan1.00infobox
KDDIIndustryTelecommunications1.00infobox
KDDIKey peopleTakashi Tanaka (businessman) [jp] (CEO) Makoto Takahashi (businessman) [jp] (president & CEO)1.00infobox
KDDINative nameKDDI株式会社1.00infobox
KDDINet incomeJP¥ 639.77 billion (2020)1.00infobox
KDDINumber of employees44,952 (2020)1.00infobox
KDDIPredecessorKDD Corporation IDO Corporation1.00infobox
KDDIProductsFixed line1.00infobox
KDDIProductsmobile telephony1.00infobox
KDDIProductsInternet services1.00infobox
KDDIProductsdigital television1.00infobox
KDDIRevenueJP¥ 5.24 trillion (2020)1.00infobox
KDDIRomanized nameKeidīdīai kabushiki gaisha1.00infobox
KDDISubsidiariesOkinawa Cellular Telephone Company (53.9%)1.00infobox
KDDISubsidiariesJ:COM (50%)1.00infobox
KDDISubsidiariesUQ Communications (32.3%)1.00infobox
KDDISubsidiariesBIGLOBE (100%)1.00infobox
KDDISubsidiariesAeon Holdings (100%)1.00infobox
KDDISubsidiariesChubu Telecommunications [jp] (80.5%)1.00infobox
KDDISubsidiariesWire and Wireless [jp] (95.2%)1.00infobox
KDDISubsidiariesTelasa (50%)1.00infobox
KDDISubsidiariesau Financial Holdings [jp] (100%)1.00infobox
KDDISubsidiariesSupership Holdings1.00infobox
KDDISubsidiariesau Energy Holdings1.00infobox
KDDISubsidiariesKDDI Matomete Office1.00infobox
KDDISubsidiariesKDDI Digital Divergence Holdings1.00infobox
KDDISubsidiariesKDDI Engineering1.00infobox

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