Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5886486 | Sensorless brushless DC motor | Seong Ki Jeong, Doo-Hee Jung | 1999-03-23 |
| 5773938 | Apparatus for controlling speed of a rotary motor | Goan-soo Seong, Young Hun Kim | 1998-06-30 |