Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7603423 | Communication system with primary device and standby device to prevent suspension of service of the system | Takayuki Ito, Hidenori Miyamoto, Toru Nasu | 2009-10-13 |
| 7590697 | Mail server, mobile communication system, and program therefor | Takashi Ito | 2009-09-15 |