Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8971067 | Output current distortion compensating apparatus in inverter | — | 2015-03-03 |
| 8664898 | Device and method of stopping induction motor | — | 2014-03-04 |
| 5682373 | Optical pickup device | — | 1997-10-28 |
| 5572497 | Single motor driving device for a mini-disc player | Heui S. Seo | 1996-11-05 |
| 5500844 | Device for driving minidisk player | Heui S. Seo | 1996-03-19 |
| 5425009 | Magneto-optical recording apparatus for a high-speed magnetic field inversion | — | 1995-06-13 |