Issued Patents 2017
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9843556 | Address book information service system, and method and device for address book information service therein | Hosung Joh, Youngshin Yoon | 2017-12-12 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9843556 | Address book information service system, and method and device for address book information service therein | Hosung Joh, Youngshin Yoon | 2017-12-12 |