Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11023660 | Terminal device for data sharing service using instant messenger | Han-Joon Kim | 2021-06-01 |
| 10929371 | System and method for supporting contact reminding | — | 2021-02-23 |
| 9842131 | System and method for supporting contact reminding | — | 2017-12-12 |
| 9338645 | Method and system for message service in multi-device environment and apparatus therefor | Han-Joon Kim | 2016-05-10 |