Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8250217 | System and method for handling session management in a communication system | Takaaki Kidachi | 2012-08-21 |
| 8117311 | Communication method, server and medium on notification of session status | Takaaki Kidachi | 2012-02-14 |