Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11116029 | Mobility management entity, network entity, and method and computer readable medium therefor | Takanori Iwai, Nobuhiko Itoh, Ling Xu, Kenki Takagi, Toshiyuki Tamura +9 more | 2021-09-07 |
| 9609494 | Communication system and apparatus for providing supplementary service in femto cell | Osamu Kurokawa, Naoki Yoshida, Shunsuke Yokouchi, Toru Shiiba, Tomiharu Hamaguchi +4 more | 2017-03-28 |
| 9215576 | Communication system, femto base station, call session control server, home subscriber server, communication method, and program | Osamu Kurokawa, Naoki Yoshida, Shunsuke Yokouchi, Yasuhiro Watanabe, Hiroaki Akiyama +1 more | 2015-12-15 |
| 9191387 | Communication system for checking for unauthorized use of a terminal | Osamu Kurokawa, Naoki Yoshida, Shunsuke Yokouchi, Toru Shiiba, Yasuyuki Ueda +4 more | 2015-11-17 |
| 9088880 | Femtocell base station, gateway system, MAP-GW apparatus, communication system, control method, and program | Osamu Kurokawa, Naoki Yoshida, Shunsuke Yokouchi, Toru Shiiba, Yasuyuki Ueda +4 more | 2015-07-21 |
| 9055437 | Communication system, femtocell base station, authentication apparatus, communication method, and recording medium | Osamu Kurokawa, Koki Hayashi, Yuichiro Kameoka, Yasuhiro Watanabe, Hiroaki Akiyama +1 more | 2015-06-09 |
| 9019988 | Communication system and apparatus for providing supplementary service in femto cell | Osamu Kurokawa, Naoki Yoshida, Shunsuke Yokouchi, Toru Shiiba, Tomiharu Hamguchi +4 more | 2015-04-28 |
| 8699416 | Communication system, femto-cell base station, authentication device, communication method, and memory medium | Osamu Kurokawa, Yasuo Kanazawa, Yasuhiro Watanabe, Hiroaki Akiyama, Takayuki Kido +1 more | 2014-04-15 |
| 8620378 | Communication system, Femto Access Point and communication method | Osamu Kurokawa, Naoki Yoshida, Shunsuke Yokouchi, Yasuhiro Watanabe, Hiroaki Akiyama +1 more | 2013-12-31 |