Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10008901 | Step motor | Woo-Seok Yeo, Seong-Kwan Oh, Hong-Min JANG | 2018-06-26 |
| 9246375 | Vibrator for generating horizontal vibration | Seong-Kwan Oh, Hyuk-Sang Ahn, Ki Hwan Hong, In Jae Lee | 2016-01-26 |
| 9135946 | Step motor | Seong-Kwan Oh, Hyok-Sang Ahn, Se-Hee Park | 2015-09-15 |
| 8237315 | Step motor | Seong-Kwan Oh, Ki Hwan Hong, Hyuk-Sang Ahn | 2012-08-07 |
| 8232698 | Step motor | Seong-Kwan Oh, Ki Hwan Hong, Hyuk-Sang Ahn | 2012-07-31 |