Exhibit 8.1



NTT DoCoMo, 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                        



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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                        
|                                                | 
|D2 Communications Inc.                          |  | Japan                        
|                                                | 
|DoCoMo.com, Inc                                 |  | Japan                        
|                                                | 
|DoCoMo Machine Com, Inc.                        |  | Japan                        
|                                                | 
|Trinotes, Inc.                                  |  | Japan                        
|                                                | 
|Business Expert Inc.                            |  | Japan                        
|                                                | 
|Mobimagic Co., Ltd.                             |  | Japan                        
|                                                | 
|Double square Inc.                              |  | Japan                        
|                                                | 
|DCM Investment Inc.                             |  | United States of America     
|                                                | 
|DoCoMo Commumications Laboratories Europe GmbH  |  | Germany                      
|                                                | 
|DoCoMo Communications Laboratories USA, Inc.    |  | United States of America     
|                                                | 
|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