Issued Patents All Time
Showing 26–44 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8527759 | IMS user equipment, control method thereof, host device, and control method thereof | Shingo Murakami, Luis Barriga | 2013-09-03 |
| 8472388 | Gateway apparatus, authentication server, control method thereof and computer program | Johan Hjelm, Takeshi Matsumura, Shingo Murakami | 2013-06-25 |
| 8437309 | Multihome support method and apparatus | Shinta Sugimoto, Ryoji Kato | 2013-05-07 |
| 8433907 | Application server, control method thereof, program, and computer-readable storage medium | Johan Hjelm, Hajime Kasahara, Shingo Murakami | 2013-04-30 |
| 8385290 | Method and apparatus for handling a local breakout session | Ryoji Kato, Shinta Sugimoto | 2013-02-26 |
| 8346943 | Method and apparatus for controlling a multimedia gateway comprising an IMSI | Shingo Murakami | 2013-01-01 |
| 8239551 | User device, control method thereof, and IMS user equipment | Shingo Murakami | 2012-08-07 |
| 8218550 | Method and system for routing traffic in ad hoc networks | Leif Axelsson, Yoshio Honda, Kenzo Urabe | 2012-07-10 |
| 8189512 | Proxy mobile IP routing | Ryoji Kato, Shinta Sugimoto | 2012-05-29 |
| 8036224 | Method and system for efficient routing in Ad Hoc networks | Leif Axelsson, Yoshio Honda, Kenzo Urabe | 2011-10-11 |
| 7177636 | Radio terminal, radio terminal controlling apparatus and location registration auxiliary apparatus | Masanobu Fujioka | 2007-02-13 |
| 6975624 | Network interworking device for LAN/internet | Hideaki Yamada, Tohru Asami | 2005-12-13 |
| 6956819 | Method, apparatus and system for evaluating quality-of-service in packet switching network | Hideaki Yamada | 2005-10-18 |
| 6898423 | Group communication system for mobile terminals having real time communication capabilities | Shinji Motegi, Hiroki Horiuchi, Masaru Enomoto | 2005-05-24 |
| 6522667 | Network interworking device for IP network / ATM network | Hideaki Yamada | 2003-02-18 |
| 6456617 | Routing control communication system between circuit switched network and internet | Hideaki Yamada, Hikaru Yagi, Hiroto Masaki | 2002-09-24 |
| 5646984 | Payer-variable exchange system | — | 1997-07-08 |
| 5521905 | Adaptive traffic control apparatus and method for controlling connection of arriving calls | Kazuhiko Yamanouchi | 1996-05-28 |
| 4754400 | Protocol validation system | Yasushi Wakahara, Yoshiaki Kakuda, Masamitsu Norigoe | 1988-06-28 |