Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12291307 | Electric bicycle driving device and method therefor | Seungkyung Lee | 2025-05-06 |
| 11926392 | Electric bicycle speed control device and method | In Ha Paick, Seungkyung Lee, Young-Sin Kim | 2024-03-12 |
| 8385015 | Method of operating pre-amplifier, pre-amplifier, and apparatuses including the same | Myoung Mee Kim | 2013-02-26 |
| 7636213 | Recording current optimization method of hard disk drive, recording medium storing program to execute the method and apparatus employing the same | Sung-Youn Cho | 2009-12-22 |