Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9667186 | Rotation angle estimation module for sensorless vector control of PMSM | — | 2017-05-30 |
| 9520768 | Inverter control apparatus and control method thereof | — | 2016-12-13 |
| 9112437 | Method of detecting disconnection state of power cable in inverter system | — | 2015-08-18 |
| 7765812 | System for detecting mis-connected state between communication lines for multi-type air conditioner and method thereof | Se Dong Chang, Yoon Been Lee, Hyung-Soo Kim, Sung Hwan Kim, Jeong-Eon Oh +2 more | 2010-08-03 |
| 7735328 | Apparatus and method for monitoring state information in trial run mode of multi-airconditioner | Se Dong Chang, Baik Young Chung, Jeong-Eon Oh | 2010-06-15 |