Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11146942 | Radio access system and portable terminal device | Kouhei Gotou | 2021-10-12 |
| 10524112 | Radio access system and portable terminal device | Kouhei Gotou | 2019-12-31 |
| 10154451 | Radio access system and portable terminal device | Kouhei Gotou | 2018-12-11 |
| 9936446 | Radio access system and portable terminal device | Kouhei Gotou | 2018-04-03 |
| 9391900 | Mobile station | Wuri Andarmawanti Hapsari, Mikio Iwamura, Itsuma Tanaka | 2016-07-12 |
| 9282526 | Radio access system and portable terminal device | Kouhei Gotou | 2016-03-08 |
| 9226264 | User equipment with timer controller | Kouhei Gotou | 2015-12-29 |
| 9191820 | Mobile communication method, switch, and mobile station | Itsuma Tanaka, Keisuke Suzuki, Mikio Iwamura, Wuri Andarmawanti Hapsari | 2015-11-17 |
| 9084219 | User equipment with timer controller | Kouhei Gotou | 2015-07-14 |
| 8938236 | Mobile device redirecting technology | Nobukazu Uno | 2015-01-20 |
| 8923845 | Mobile station | Itsuma Tanaka, Yasuhiro Kato, Mikio Iwamura | 2014-12-30 |
| 8868073 | Mobile communication method, mobile communication system, subscriber management server device, and mobile switching center | Keisuke Suzuki, Itsuma Tanaka | 2014-10-21 |
| 8655359 | Radio access system and portable terminal device | Kouhei Gotou | 2014-02-18 |
| 8626159 | Mobile device and location registration method | Katsuhiro Noguchi, Gou Okuizumi, Hideo Mochida, Akimichi Tanabe, Taketoshi Nakajima | 2014-01-07 |
| 8577365 | Mobile communication terminal | Itsuma Tanaka | 2013-11-05 |
| 8576799 | Mobile communication method and mobile station | Hiroaki Yamagishi, Mikio Iwamura | 2013-11-05 |
| 8532058 | Mobile station and mobile communication method | Hiroaki Yamagishi | 2013-09-10 |
| 8447298 | Mobile station for cell selection and detecting radio link failure | Itsuma Tanaka, Yasuhiro Kato, Mikio Iwamura | 2013-05-21 |
| 8442026 | Mobile communication method and mobile station | Hiroaki Yamagishi, Mikio Iwamura | 2013-05-14 |
| 8428628 | Communication method, mobile terminal, switching device, and radio control device | Itsuma Tanaka, Keisuke Suzuki, Kota Fujimura | 2013-04-23 |
| 8422423 | Packet communication method and mobile station | Katsuhiro Noguchi, Kota Fujimura, Shinpei Kawakatsu | 2013-04-16 |
| 8417251 | Mobile station, mobile communication method and network device | Hiroaki Yamagishi, Takuya Takimoto, Hideyuki Sakuramoto, Takehiro Ida | 2013-04-09 |
| 8412181 | Mobile station | Itsuma Tanaka, Yasuhiro Kato, Mikio Iwamura | 2013-04-02 |
| 8391205 | Mobile communication apparatus that stores packet data in a packet call establishment process | Kenji Tsuruta, Aki Ohashi, Hiromi Himeno, Kei Akiyama | 2013-03-05 |
| 8358627 | Radio communication system, radio communication method, and mobile station | Akimichi Tanabe, Minami Ishii | 2013-01-22 |