Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11256358 | Method and apparatus for providing user keypad in a portable terminal | Hwang Joon LEE | 2022-02-22 |
| 10824268 | Method and apparatus for providing user keypad in a portable terminal | Hwang Joon LEE | 2020-11-03 |
| 10705652 | Method and apparatus for providing user keypad in a portable terminal | Hwang Joon LEE | 2020-07-07 |
| 9244563 | Method and apparatus for providing user keypad in a portable terminal | Hwang Joon LEE | 2016-01-26 |