Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9173275 | Alarm clock integrated with lamp and method for controlling operation of lamp thereby | In Seok Ko, Hyun-Seok Ko | 2015-10-27 |
| 8477568 | Alarm clock which operates in conjunction with a gradually fading-in lamp | — | 2013-07-02 |