Issued Patents All Time
Showing 51–67 of 67 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9319917 | Wireless communication terminal, wireless communication base station, wireless communication system, and reporting method | Takashi Tamura, Takahisa Aoyama | 2016-04-19 |
| 9031594 | Communication terminal and communication method for transmitting a proximity indication message containing a selected frequency when approximating an access-restricted cell | Takahisa Aoyama, Takashi Tamura | 2015-05-12 |
| 9019861 | Base station and communication system | Takahisa Aoyama, Keigo Aso, Shinkichi Ikeda | 2015-04-28 |
| 8989043 | Mobile terminal, base station, cell reception quality measuring method and cell reception quality measuring system | Takahisa Aoyama, Takashi Tamura | 2015-03-24 |
| 8989739 | Connection method, communication system, mobile terminal, information forwarding device, and server | Shinkichi Ikeda, Takahisa Aoyama, Keigo Aso | 2015-03-24 |
| 8944635 | Light source apparatus | Takashi Sasamuro | 2015-02-03 |
| 8750880 | Handover preprocessing system, mobile terminal, base station | Takahisa Aoyama, Takashi Tamura | 2014-06-10 |
| 8660096 | Base station device in multi-carrier transmission, mobile station device, and cell search method | Katsuhiko Hiramatsu, Akihiko Nishio, Ayako Horiuchi, Hiroki Haga | 2014-02-25 |
| 8626173 | Base station, radio communication system, and handover method | Takahisa Aoyama, Hong Tat Toh, Hidetoshi Suzuki | 2014-01-07 |
| 8577373 | Handover destination specification system, mobile terminal, and base station | Takahisa Aoyama | 2013-11-05 |
| 8515426 | User equipment, base station device, communication system, and handover control method | Takahisa Aoyama | 2013-08-20 |
| 8472412 | Base station device, and mobile station device | Katsuyoshi Naka, Hiroki Haga | 2013-06-25 |
| 8446881 | Base station device, and mobile station device | Katsuyoshi Naka, Hiroki Haga | 2013-05-21 |
| 8380208 | Terminal device, wireless communication system, and wireless communication method | Takahisa Aoyama, Jun Hirano | 2013-02-19 |
| 7978661 | Multi-carrier communication device and multi-carrier communication method | Akihiko Nishio, Daichi Imamura | 2011-07-12 |
| 7864733 | Mobile station device for multicarrier transmission, base station device, and cell search method | Akihiko Nishio | 2011-01-04 |
| 7782821 | Multi-carrier communication device and multi-carrier communication method | Akihiko Nishio, Daichi Imamura | 2010-08-24 |