tower home of ntt docomo s headquarters type public traded as tyo 9437 nyse dcm lse ndcm industry telecommunications founded august 14 1991 headquarters sanno park tower nagatach chiyoda tokyo japan key people kaoru kato 1 president & ceo products pdc i mode w cdma foma hsdpa lte phs revenue 4.240 trillion 2012 2 operating income 874.46 billion 2012 2 net income 463.91 billion 2012 2 total assets 6.948 trillion 2012 2 total equity 5.062 trillion 2012 2 number of employees 22 955 2011 2 parent nippon telegraph and telephone corporation 60.24 % subsidiaries ntt docomo usa docomo service tata docomo website www.nttdocomo.co.jp ntt docomo s older logo used until 2008 ntt docomo yoyogi building in shibuya tokyo ntt docomo inc. 3 4 ntt kabushiki gaisha enu ti ti dokomo 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 . 5 docomo provides phone video phone foma and some phs i mode internet and mail i mode mail short mail and sms services . the company s headquarters are in the sanno park tower nagatach chiyoda tokyo . 6 at the beginning of 2015 it was the fourth largest public company in japan when measured by market capitalization . 7 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 . contents 1 customers 2 research and development 3 earthquake warning system 4 civil protection system 5 mascot 6 emoji 7 investments outside japan 8 docomo capital 9 docomo digital 10 see also 11 notes 12 references 13 external links customers edit ntt docomo is a subsidiary of japan s incumbent telephone operator ntt . the majority of ntt docomo s shares are owned by ntt which is 33.71 % government owned . while some ntt shares are publicly traded control of the company by japanese interests government and civilian is guaranteed by the number of shares available to buyers . it provides wireless voice and data communications to subscribers in japan . ntt docomo is the creator of w cdma technology as well as mobile i mode service . in late 1995 docomo ceo hired the consulting firm pricewaterhousecoopers for strategy development and at that time worked on the first design of data services on mobile for ntt docomo ceo . citation needed ntt docomo has more than 53 million customers as of march 2008 which is more than half of japan s cellular market . the company provides a wide variety of mobile multimedia services . these include i mode which provides e mail and internet access to over 50 million subscribers foma which was launched in 2001 as the world s first 3g mobile service based on w cdma xi a 4g lte mobile service which was launched on december 24 2010 and premium 4g a lte advanced service which was launched on march 27 2015 . in addition to wholly owned subsidiaries in europe and north america the company is expanding its global reach through strategic alliances with mobile and multimedia service providers in asia pacific and europe . ntt docomo is listed on the tokyo 9437 london ndcm and new york dcm stock exchanges . on april 19 2008 it was announced that ryuji yamada the current co president of ntt docomo will be promoted as the president of ntt docomo in june 2008 . masao nakamura will stay in ntt docomo as a director and also the senior adviser . since october 2006 when the introduction to the service which allows the user to carry their original phone number with a new provider was made ntt docomo has lost many users to kddi and softbank . this promotion was made in order to get more users for ntt docomo . 8 the company was the last major global mobile carrier to offer apple s iphone which it finally did with the release of the iphone 5s and 5c . this has been cited as one of the reasons for the steady stream of its customers switching for competing networks . 9 in june 2011 the company announced that they were teaming up with mcafee to provide mcafee virusscan mobile for its android mobile users . 10 in july 2012 ntt docomo acquired italy s buongiorno in a deal worth 209 million euros . 11 in the mobile sector in the first quarter of 2016 ntt was the leading operator in japan with a market share of 45.4 % . 12 the number of mobile subscribers was 70.9 m. research and development edit this section s tone or style may not reflect the encyclopedic tone used on wikipedia . see wikipedia s guide to writing better articles for suggestions . may 2010 learn how and when to remove this template message on october 2007 the prototype wellness mobile phone of japan s ntt docomo inc. and mitsubishi electric corp. was launched at ceatec . it checks health with a motion sensor that detects body movement and measures calories and includes a breathalyzer . 13 on january 24 2008 ntt docomo announced a partnership with google which allowed all models after the foma904i models to view youtube videos . 14 15 ntt docomo is a founding member of the symbian foundation . 16 earthquake warning system edit from 2008 docomo began offering a service called the area mail disaster information service which broadcasts earthquake early warning messages produced by the japan meteorological agency to its subscribers with compatible handsets . 17 this service is provided free of charge and messages are limited to those areas affected by each particular alert . these alerts have a unique ring tone so they can be easily distinguished from incoming calls or messages . civil protection system edit from 2014 under civil protection law of japan docomo began offering a service called the area mail disaster and evacuation information service which broadcasts j alert messages including earthquake early warning produced by the japan fire and disaster management agency to its subscribers with compatible handsets e.g. sony xperia iphone 5s samsung galaxy . 18 the message is broadcast when the military threat is imminent e.g. north korea s ballistic missile launching terrorist attack to nuclear power plant volcanic eruptions or approaching tsunami . mascot edit a large pile of docomodake merchandise . the company s mascot is docomodake a mushroom which is quite a celebrity in japan . he even is the hero of a nintendo ds puzzle and platforming video game boing docomodake ds which was also released in north america and europe . 19 he also has a wide variety of merchandising such as cell phone straps keychains and plush dolls . as one type of advertising method there are many types of docomodakes such as mother and father which symbolizes the plans that ntt docomo offers . emoji edit emoji a pictographic language being adopted around the world was first created by ntt docomo . the first emoji was created in 1998 or 1999 by shigetaka kurita who was part of the team working on ntt docomo s i mode mobile internet platform . the first set of 172 12 12 pixel emoji was created as part of i mode s messaging features to help facilitate electronic communication and to serve as a distinguishing feature from other services . 20 investments outside japan edit gsma mobile world congress barcelona 2008 99 . note the new logo . ntt docomo has a wide range of foreign investments . however ntt docomo was not successful in investing in foreign carriers . docomo had invested very large multibillion dollar amounts in kpn kt freetel at & t wireless and had to write off sell all these investments in foreign carriers . as a result docomo booked a total of about us 10 billion in losses while during the same time docomo s japan operations were profitable . in december 2007 ntt docomo and kt freetel jointly invested 200 million usd for a total of 33 % stake in u mobile malaysia . in november 2008 ntt docomo bought a 26 % stake in tata teleservices for 2.7 billion usd the number 6 in indian telecom industry and owned by the tata group . india is the world s fastest growing cellular market adding as many as 9 million new customers a month . tata teleservices which sells under the brand tata indicom and virgin mobile india has 80 million subscribers as of october 2010 . though tata indicom is a cdma based operator they won gsm licenses as well and the ntt docomo tata venture is focused on gsm operation called tata docomo . the tata docomo service was commercially launched in india in june 2009 . tata docomo had about 32.82 million users at the end of june 2010 . they have also taken over guamcell among others and so are now the main wireless operator in guam . docomo is working on implementing its felica based payment system called id overseas . it has already launched the system in guam as well as shanghai and beijing china however as of november 2010 it has withdrawn id terminals from all merchants in china . docomo capital edit working closely with ntt docomo s business and r & d divisions docomo capital is in charge of ntt docomo s venture investments in mobile related start up companies mainly in the united states and has committed 100m in capital . it has invested in cooliris couchbase evernote fab.com highlightcam swype tunewiki and sigfox . 21 docomo digital edit docomo digital is the holding company for the global digital ecosystem platform business operations of ntt docomo . leveraging 15 years of experience in mobile payment and mobile content business in japan as well as in the global market docomo digital focuses on mobile commerce enabler platform development which offers to digital and non digital merchants safe reliable and convenient payment and financing options for their consumers and robust marketing solutions to attract and convert their target customers . more than delivering sound advice docomo digital actively addresses regulatory and commercial issues between participants and operates a global technical platform on which mobile commerce ecosystems can be safely and securely built and managed . today docomo digital s platforms are connected to over 200 mobile network operators as the foundation upon which it is developing next generation mobile commerce for over 5 billion banked and unbanked citizens around the world . beyond innovating to maximize the end to end consumer buying experience on connected devices docomo digital also owns and operates one of the world s leading mobile marketing platform services . convenient yet compliant user experience flows combined with high conversion customer acquisition and frictionless payments are docomo digital s answer to the emergence of the global connected economy . mobile network operators and merchants of all types enjoy significant incremental transaction volumes and enhanced customer satisfaction thanks to docomo digital s m commerce enabler platform . docomo digital has partnered with the leading swiss operator swisscom to enable physical goods to be purchased online and paid for directly onto a customer s phone bill . with a simple api integration retailers of physical goods are able to offer swisscom direct carrier billing easypay as a new payment method for customers . the first retailer that use the solution is mediashop group a leading tv and online merchant based in austria . ceo hiroyuki