Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11727825 | Braille teaching material and method of manufacturing same | Ji Yun Cho | 2023-08-15 |
| 11538359 | Braille teaching material and method of manufacturing same | Ji Yun Cho | 2022-12-27 |
| 11170182 | Braille editing method using error output function, recording medium storing program for executing same, and computer program stored in recording medium for executing same | — | 2021-11-09 |
| 11011076 | Display module for visually impaired persons | — | 2021-05-18 |
| 7676189 | Image reading apparatus having improved cover device | — | 2010-03-09 |
| 7545524 | Method of controlling operation of image sensor | — | 2009-06-09 |
| 7505717 | Image forming apparatus | In-yong Song | 2009-03-17 |
| 7333745 | Power supply device and electronic apparatus employing the same | Jae Hee Han | 2008-02-19 |
| 7320465 | Paper feeding unit and image forming apparatus using the same | Yong-whan Park | 2008-01-22 |
| 6885835 | Device for cutting off power supply of printer | — | 2005-04-26 |
| 6751438 | Paper feeding apparatus and method for use in a printer | — | 2004-06-15 |