Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10949072 | Apparatus and method for controlling a screen display in portable terminal | Hyun Chul Woo, Jung Sik Kim | 2021-03-16 |
| 10503380 | Apparatus and method for controlling a screen display in portable terminal | Hyun Chul Woo, Jung Sik Kim | 2019-12-10 |
| 9229631 | Apparatus and method for controlling a screen display in portable terminal | Hyun Chul Woo, Jung Sik Kim | 2016-01-05 |
| 5999829 | Circuit and method for controlling the power used by a portable radiotelephone | Jong Ok Chun | 1999-12-07 |