Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7835756 | Mobile communications system, mobile communications network controller, mobile communications terminal, and method of controlling mobile communications network | Kenji Sakamoto, Tsutomu Yokoyama, Kenichi Yamazaki | 2010-11-16 |
| 7454196 | Mobile communications system, mobile communications network controller, mobile communications terminal, and method of controlling mobile communications network | Kenji Sakamoto, Tsutomu Yokoyama, Kenichi Yamazaki | 2008-11-18 |
| 7340245 | Mobile communications system, mobile communications network controller, mobile communications terminal, and method of controlling mobile communications network | Kenji Sakamoto, Tsutomu Yokoyama, Kenichi Yamazaki | 2008-03-04 |
| 7257394 | Mobile communications system, mobile communications network controller, mobile communications terminal, and method of controlling mobile communications network | Kenji Sakamoto, Tsutomu Yokoyama, Kenichi Yamazaki | 2007-08-14 |
| 6915136 | Mobile communication method and mobile communication system | Masami Yabusaki | 2005-07-05 |