Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6710581 | Constant-power brushless DC motor | — | 2004-03-23 |
| 4882524 | Multi-phase bipolar brushless D.C. motor | — | 1989-11-21 |
| 4730150 | D.C. multi-phase bi-polar brushless motor | Jung Seop Lee | 1988-03-08 |