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 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                        



1



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|                                                     |  |                              
|---------------------------------------------------- |  | -----------------------------
|Name                                                 |  | Jurisdiction of Incorporation
|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                        
|e Engineering Inc.                                   |  | Japan                        
|e Engineering Tokai Inc.                             |  | Japan                        
|e Engineering Kansai, Inc.                           |  | Japan                        
|e Engineering Kyushu Inc.                            |  | Japan                        
|D2 Communications Inc.                               |  | Japan                        
|DoCoMo.com, Inc                                      |  | Japan                        
|DoCoMo Machine Com, Inc.                             |  | Japan                        
|Trinotes, Inc.                                       |  | Japan                        
|Business Expert Inc.                                 |  | Japan                        
|Business expert Tokai Inc.                           |  | Japan                        
|Business Expert Kansai, Inc.                         |  | Japan                        
|Business Expert Kyushu, Inc.                         |  | Japan                        
|Mobimagic Co., Ltd.                                  |  | Japan                        
|DoCoMo Tametan, Inc.                                 |  | Japan                        
|Double square Inc.                                   |  | Japan                        
|DCM Investment Inc.                                  |  | United States of America     
|DoCoMo Communications Laboratories Europe GmbH       |  | Germany                      
|DoCoMo Communications Laboratories USA, Inc.         |  | United States of America     
|DoCoMo Beijing Communications Laboratories Co., Ltd. |  | China                        
|DoCoMo Europe (France) S.A.S.                        |  | France                       
|DoCoMo Europe Limited                                |  | United Kingdom               
|DoCoMo i-mode Europe B.V.                            |  | The Netherlands              
|NTT DoCoMo Telecomunicações do Brasil Limitada       |  | Brazil                       
|NTT DoCoMo USA, Inc.                                 |  | United States of America     
|Brilliant Design Limited                             |  | British Virgin Islands       
|DCM Capital 3G HKG (UK) Limited                      |  | United Kingdom               
|DCM Capital HKG (UK) Limited                         |  | United Kingdom               
|DCM Capital LDN (UK) Limited                         |  | United Kingdom               
|DCM Capital NL (UK) Limited                          |  | United Kingdom               
|DCM Capital TWN (UK) Limited                         |  | United Kingdom               
|DCM Capital USA (UK) Limited                         |  | United Kingdom               
|HTCL Holdings limited                                |  | Hong Kong                    
|Lugton Limited                                       |  | British Virgin Islands       
|Taiwan DoCoMo Limited                                |  | Republic of China            
|Tecworld Limited                                     |  | British Virgin Islands       



As of March 31, 2004



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