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NTT DoCoMo

NTT docomo
Company nameNTT Docomo, Inc.
株式会社エヌ・ティ・ティ・ドコモ
Company typePublic


IndustryWireless Services
FoundedAugust 1991
HeadquartersSanno Park Tower
Nagatachō, Chiyoda, Tokyo, Japan
Key peopleRyuji Yamada
President & CEO
ProductsPDC, i-mode, W-CDMA, FOMA, HSDPA, LTE, PHS
Revenue$46.220 billion (2010)
Net income$5.337 billion (2010)
Total assets$72.892 billion (2010)
Employees23,409 (2010)
ParentNippon Telegraph and Telephone Corporation (60.24%)
SubsidiaryNTT Docomo USA
Docomo Service
Tata DoCoMo

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|} is the predominant mobile phone operator in Japan. The name is officially an abbreviation of the phrase, "'do communications over the mobile network", and is also from a compound word 'dokomo', meaning "everywhere" in Japanese. Docomo provides phone, video phone (FOMA and Some PHS), i-mode (internet), and mail (i-mode mail, Short Mail, and SMS) services. The company has its headquarters in the Sanno Park Tower, Nagatachō, Chiyoda, Tokyo.

Docomo was spun off from Nippon Telegraph and Telephone (NTT) in August 1991 to take over the mobile cellular operations. It provides 2G (mova) PDC cellular services on the 800 MHz band, and 3G FOMA W-CDMA services on the 2 GHz (UMTS2100) and 800 MHz(UMTS800(Band VI)) and 1700 MHz(UMTS1700(Band IX)) bands, and 4G LTE services. Its businesses also included PHS (Paldio), paging, and satellite. Docomo ceased offering a PHS service on January 7, 2008.


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