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Ntt Mobile Communications Network, Inc.

USPTO Granted Patents = 247

CIPO Patents = 81

EPO Patents = 19

Forward Citations = 6,562

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282 inventors (with patents filed for the assignee):

Mamoru Sawahashi (37 out of 303 patents)

Fumiyuki Adachi (35 out of 50 patents)

Takehiro Nakamura (16 out of 194 patents)

4. Narumi Umeda (16 out of 107 patents)

5. Shinji Uebayashi (14 out of 34 patents)

6. Toshio Nojima (14 out of 42 patents)

7. Akihiro Higashi (14 out of 26 patents)

8. Etsuhiro Nakano (13 out of 19 patents)

9. Toshio Miki (13 out of 37 patents)

10. Tomohiro Dohi (13 out of 16 patents)

11. Shogo Ito (12 out of 18 patents)

12. Motoshi Tamura (12 out of 57 patents)

13. Tomoyuki Ohya (11 out of 34 patents)

14. Toshiro Kawahara (11 out of 35 patents)

15. Koji Ohno (11 out of 17 patents)

Core Competencies:

Mobile Communications

CDMA Technology

Frame Synchronization

Signal Transmission

Interleaving Methods

Adaptive Array Antenna

Traffic Control

Speech Decoding

Variable Rate Transmission

Robust Digital Modulation

Handover Techniques

Radio Communication Systems

247 patents: Sort by Forward Citations

1. 8185158 - Method and system for mobile communications (2012-05-22),

2. 7577435 - Method and system for mobile communications (2009-08-18),

3. 7519102 - Method of assignment and transmission of spread signals in direct sequence spread spectrum CDMA mobile communication system, mobile communication system, and transmitter, receiver and transmitter/receiver of mobile communication system (2009-04-14),

4. 7469365 - Method and device for interleaving and method and device for de-interleaving (2008-12-23),

5. 7428667 - Method and device for interleaving and method and device for de-interleaving (2008-09-23),

6. 7403489 - Frame synchronization circuit (2008-07-22),

7. 7383045 - Method and system for mobile communications (2008-06-03),

8. 7362715 - Frame synchronization circuit (2008-04-22),

9. 7304970 - Traffic control method for mobile data communication, mobile station device and base station device (2007-12-04),

10. 7236787 - Method and system for mobile communications (2007-06-26),

11. 7191369 - Method and device for interleaving and method and device for de-interleaving (2007-03-13),

12. 7082310 - Radio communication system, frequency allocation method and frequency allocation device (2006-07-25),

13. 6977903 - Frame synchronization circuit (2005-12-20),

14. 6963551 - Signal transmission method and base station in mobile communication (2005-11-08),

15. 6912394 - Radio line allocation judging method in mobile communication system and radio line (2005-06-28),

NTT Mobile Communications Network, Inc. (NTT Docomo) is a leading mobile phone operator based in Japan. As a subsidiary of Nippon Telegraph and Telephone Corporation (NTT), NTT Docomo offers a wide range of mobile communication services, including voice, data, and multimedia services to individual customers and corporate clients. With a strong focus on innovation, NTT Docomo has been at the forefront of introducing advanced mobile technologies and services to enhance the overall user experience. For more information, please visit their website.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

247 Patents

#265 in Tokyo

#588 in Japan

#3,391 in the World

Ntt Mobile Communications Network, Inc.

Forward Citations = 6,562

282 inventors:

Mamoru Sawahashi (37 out of 303 patents)

Fumiyuki Adachi (35 out of 50 patents)

Takehiro Nakamura (16 out of 194 patents)

4. Narumi Umeda (16 out of 107 patents)

5. Shinji Uebayashi (14 out of 34 patents)

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