Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10397181 | Address book information service system, and method and device for address book information service therein | Jonghyun Kim, Youngshin Yoon | 2019-08-27 |
| 9843556 | Address book information service system, and method and device for address book information service therein | Jonghyun Kim, Youngshin Yoon | 2017-12-12 |