Exhibit 8.1







NTTDoCoMo, Inc.





List of Subsidiaries





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SUBSIDIARIES OF REGISTRANT



|                                                     |  |                              
|---------------------------------------------------- |  | -----------------------------
|Name                                                 |  | Jurisdiction of Incorporation
|NTT DoCoMo Hokkaido, Inc.                            |  | Japan                        
|NTT DoCoMo Tohoku, Inc.                              |  | Japan                        
|NTT DoCoMo Tokai, Inc.                               |  | Japan                        
|NTT DoCoMo Hokuriku, Inc.                            |  | Japan                        
|NTT DoCoMo Kansai, Inc.                              |  | Japan                        
|NTT DoCoMo Chugoku, Inc.                             |  | Japan                        
|NTT DoCoMo Shikoku, Inc.                             |  | Japan                        
|NTT DoCoMo Kyushu, Inc.                              |  | Japan                        
|DoCoMo Service Inc.                                  |  | Japan                        
|DoCoMo Engineering Inc.                              |  | Japan                        
|DoCoMo Mobile Inc.                                   |  | Japan                        
|DoCoMo Support Inc.                                  |  | Japan                        
|DoCoMo Systems, Inc.                                 |  | Japan                        
|DoCoMo Sentsu, Inc.                                  |  | Japan                        
|DoCoMo Business Net, inc.                            |  | Japan                        
|DoCoMo Technology, Inc.                              |  | Japan                        
|DoCoMo Service Hokkaido Inc.                         |  | Japan                        
|DoCoMo Service Tohoku Inc.                           |  | Japan                        
|DoCoMo Service Tokai Inc.                            |  | Japan                        
|DoCoMo Service Hokuriku Inc.                         |  | Japan                        
|DoCoMo Service Kansai, Inc.                          |  | Japan                        
|DoCoMo Service Chugoku Inc.                          |  | Japan                        
|DoCoMo Service Shikoku Inc.                          |  | Japan                        
|DoCoMo Service Kyushu Inc.                           |  | Japan                        
|DoCoMo Engineering Hokkaido Inc.                     |  | Japan                        
|DoCoMo Engineering Tohoku Inc.                       |  | Japan                        
|DoCoMo Engineering Tokai Inc.                        |  | Japan                        
|DoCoMo Engineering Hokuriku Inc.                     |  | Japan                        
|DoCoMo Engineering Kansai, Inc.                      |  | Japan                        
|DoCoMo Engineering Chugoku, Inc.                     |  | Japan                        
|DoCoMo Engineering Shikoku Inc.                      |  | Japan                        
|DoCoMo Engineering Kyushu Inc.                       |  | Japan                        
|DoCoMo Mobile Hokkaido Inc.                          |  | Japan                        
|DoCoMo Mobile Tokai Inc.                             |  | Japan                        
|DoCoMo Mobilemedia Kansai, Inc.                      |  | Japan                        
|DoCoMo Mobile Chugoku, Inc.                          |  | Japan                        
|DoCoMo i Kyushu Inc.                                 |  | Japan                        
|Business Expert Inc.                                 |  | Japan                        
|Business Expert Tokai, Inc.                          |  | Japan                        
|Business Expert Kansai, Inc.                         |  | Japan                        
|Business Expert Kyushu, Inc.                         |  | Japan                        
|D2 Communications Inc.                               |  | Japan                        
|DoCoMo Capital, Inc.                                 |  | United States of America     
|DoCoMo.com, Inc                                      |  | Japan                        
|DoCoMo Communications Laboratories Europe GmbH       |  | Germany                      
|DoCoMo Communications Laboratories USA, Inc.         |  | United States of America     
|DoCoMo Beijing Communications Laboratories Co., Ltd. |  | China                        
|DoCoMo Europe Limited                                |  | United Kingdom               
|DoCoMo Europe(France)S.A.S.                          |  | France                       



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|                           |  |                              
|-------------------------- |  | -----------------------------
|Name                       |  | Jurisdiction of Incorporation
|DoCoMo i-mode Europe B.V.  |  | The Netherlands              
|DoCoMo  Tametan Inc.      |  | Japan                        
|Double Square Inc.         |  | Japan                        
|e Engineering Inc.         |  | Japan                        
|e Engineering Tokai, Inc.  |  | Japan                        
|e Engineering Kansai, Inc. |  | Japan                        
|e Engineering Kyushu Inc.  |  | Japan                        
|Guam Cellular & Paging     |  | United States of America     
|HIVE Inc.                  |  | Japan                        
|inter-touch (BVI) Limited  |  | British Virgin Islands       
|NIPPON DATACOM Co., Ltd.   |  | Japan                        
|NTT DoCoMo USA, Inc.       |  | United States of America     
|SEIBU DENSAN Co., Ltd.     |  | Japan                        
|And 33 other subsidiaries  |  |                              
|                           |  | As of March 31, 2007         



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