Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9448999 | Method and device to detect similar documents | Chae Hyun Lee | 2016-09-20 |
| 9141697 | Method, system and computer-readable storage medium for detecting trap of web-based perpetual calendar and building retrieval database using the same | Chaehyun Lee | 2015-09-22 |