Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8726345 | Communication system, line providing apparatus and communication method | Natsuko Arai | 2014-05-13 |
| 7613461 | Station side apparatus, resource allocating method in station side apparatus and mobile communication system | — | 2009-11-03 |
| 7599695 | Mobile communication system in which communication resources are allocated based on traffic congestion | Hironobu Igarashi, Yuji Kuroda | 2009-10-06 |
| 7260398 | Mobile communication system for performing hand-off based on communication resources in base stations | Hironobu Igarashi, Yuji Kuroda | 2007-08-21 |
| 5982413 | Mixed analog-digital service distribution system and method | Toshio Irie, Tetsuo Tachibana, Toshiyuki Hijikata, Tatsuru Nakagaki, Masayuki Yamanaka +1 more | 1999-11-09 |
| 5864537 | Media information distribution services system and method | Toshiyuki Hijikata, Tetsuo Tachibana, Toshio Irie, Tatsuru Nakagaki, Masayuki Yamanaka +1 more | 1999-01-26 |