Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7302257 | Wireless access control method and wireless access system | — | 2007-11-27 |
| 7096028 | Mobile communication system | — | 2006-08-22 |
| 7012904 | Method for controlling transmission capacity and mobile communication system | — | 2006-03-14 |
| 6937589 | Mobile communication system with packet effectively transmitted and control method for the same | — | 2005-08-30 |
| 6621826 | Transmission control method | — | 2003-09-16 |
| 6539233 | Call control method in mobile communication and system therefor | — | 2003-03-25 |
| 5892759 | Data transmission control system for performing one-to-multiple site data transmission by the use of radio packet communication | — | 1999-04-06 |
| 5875292 | Packet transmission method without sending serial numbers | — | 1999-02-23 |
| 5812949 | Method for calling a mobile terminal in a mobile communication system and a device thereof | — | 1998-09-22 |
| 5787349 | Control signaling network, radio base station and mobile switching center | — | 1998-07-28 |
| 5757790 | Packet communication system capable of rapidly confirming receipt of downward packet signals | — | 1998-05-26 |
| 5740167 | Dual mode multiple access method for common radio channel | Kazutomo Kobayashi | 1998-04-14 |
| 5583913 | Packet signal selecting apparatus and mobile switching center including the same | — | 1996-12-10 |
| 5566356 | Mobile communication system and its multiple connection method enabling to perform concise and high quality multiplex communication | — | 1996-10-15 |
| 5530910 | Handover method in mobile communications system | — | 1996-06-25 |
| 5420863 | Mobile communication system with cell-site switching for intra-cell handoff | Yukitsuna Furuya | 1995-05-30 |
| 5319795 | Cellular mobile communications system using frequencies commonly shared by neighboring cells for handoff operations | Kojiro Hamabe, Yukitsuna Furuya, Toshihito Kanai | 1994-06-07 |
| 5305466 | Location registration and paging procedure for mobile communication | — | 1994-04-19 |