Issued Patents All Time
Showing 1–25 of 62 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10701666 | Mobile communication method, mobile management node, and serving gateway apparatus | Toshiyuki Tamura | 2020-06-30 |
| 10129849 | Mobile communication method, mobile communication system, and mobile management node | Toshiyuki Tamura | 2018-11-13 |
| 10027821 | Billing system, billing apparatus, and billing method | Shin-ichi Isobe | 2018-07-17 |
| 9813971 | Mobile communication method and mobile communication system | Toshiyuki Tamura | 2017-11-07 |
| 9572073 | Mobile communication system | Takashi Koshimizu, Toshiyuki Tamura | 2017-02-14 |
| 9544821 | Mobile communication system | Takashi Koshimizu, Toshiyuki Tamura | 2017-01-10 |
| 9544874 | Paging method, core network apparatus, radio access network apparatus and gateway apparatus | Keisuke Suzuki, Shimpei Kawakatsu | 2017-01-10 |
| 9516556 | Path establishment method, access network switching method, access network switching apparatus, mobile station, and proxy access network switching apparatus | Akimichi Tanabe | 2016-12-06 |
| 9451528 | Radio communication terminal, communication control apparatus, and communication control method | Shin-ichi Isobe | 2016-09-20 |
| 9408131 | Mobile communication method and mobile communication system | Toshiyuki Tamura | 2016-08-02 |
| 9351327 | Communication system, phonebook server, radio communication terminal, and communication method | Shin-ichi Isobe | 2016-05-24 |
| 9320078 | Mobile communication method, mobile management node, and serving gateway apparatus | Toshiyuki Tamura | 2016-04-19 |
| 9313815 | Radio communication terminal and communication method | Shin-ichi Isobe | 2016-04-12 |
| 9301210 | Mobile communication method, radio access network apparatus and mobile station | Shimpei Kawakatsu, Kenichi Katayama, Kenichiro Aoyagi | 2016-03-29 |
| 9295091 | Radio communication system, communication control apparatus, and communication control method | Shin-ichi Isobe | 2016-03-22 |
| 9282578 | Mobile communication method, mobile management node, and serving gateway apparatus | Toshiyuki Tamura | 2016-03-08 |
| 9282534 | Mobile communication method, session control node, gateway device, and mobility management node | Shimpei Kawakatsu | 2016-03-08 |
| 9253437 | Mobile communication method and mobility management node | Takashi Koshimizu, Hideaki Takahashi, Mikio Iwamura | 2016-02-02 |
| 9219976 | Private branch exchange system, private branch exchange server, and communication method | Shin-ichi Isobe | 2015-12-22 |
| 8983465 | Mobile communication method and mobile station | — | 2015-03-17 |
| 8953561 | Mobile communication method | Toshiyuki Tamura | 2015-02-10 |
| 8908642 | Mobile communication system | Takashi Koshimizu, Toshiyuki Tamura | 2014-12-09 |
| 8892134 | Mobile communication method, call control node, priority control node and mobility management node | Keisuke Suzuki | 2014-11-18 |
| 8885608 | Mobile communication method | Keisuke Suzuki | 2014-11-11 |
| 8725061 | Message distribution method, radio base station, and message distribution station | Itsuma Tanaka, Wuri Andarmawanti Hapsari, Tadashi Uchiyama | 2014-05-13 |