Issued Patents 2011
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8054843 | Method for securing privacy in automatic answer mode of push-to service | Sung Bum Choi | 2011-11-08 |
| 8032411 | Group advertisement method in SIP based message service | Sung-Mu Son | 2011-10-04 |
| 8000246 | Method and device for requesting permission to send media, and method and device for controlling push-to service | — | 2011-08-16 |
| 7991898 | User equipment, method and system for simultaneous session control | Young Hwan Park, Chan-Seok Lim, Jong-Chul Park, Young Ae Kim | 2011-08-02 |
| 7886063 | User equipment, method and system for simultaneous session control | Young Hwan Park, Chan-Seok Lim, Jong-Chul Park, Young Ae Kim | 2011-02-08 |
| 7881220 | System and method for changing duration of talk burst control timer | Kyung-Ae Yoon | 2011-02-01 |