Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9480923 | Service providing method using on-line game, and recording media recording program for implementing the method | Seung Won Lee | 2016-11-01 |
| 8523680 | Service providing method using on-line game, and recording media recording program for implementing the method | Seung Won Lee | 2013-09-03 |