Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7894833 | Method and system for transmitting multimedia message transmitted from transmitting mobile station of higher version to receiving mobile station of lower version | Sang Mok SOHN, Hong-Seo Yun, Dong-Won Na, Ja-Young Yoon, Hee-Won Park | 2011-02-22 |