Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9009236 | Information delivery system, delivery destination control method and delivery destination control program | Takao Takenouchi | 2015-04-14 |
| 8131810 | Reachability realization server, management system, management method and realization program | Takeaki Minamizawa | 2012-03-06 |
| 7814120 | List management server for managing updating of list by third-party terminal, list management system, list managing method, and program | Naoko Ito, Masafumi Watanabe | 2010-10-12 |
| 7782186 | Abstract state monitoring system and method for the same | Hirokazu Takatama | 2010-08-24 |
| 7752273 | Group communication system based on presence information and client device | Naoko Ito, Masafumi Watanabe | 2010-07-06 |
| 7224973 | Communication agent apparatus | Naoko Ito, Masafumi Watanabe | 2007-05-29 |