| 7936141 |
Motor driver system and method of protecting motor driver |
Kyung-Hoon Lee, Gil Su Lee, Jun-Ho Ahn, Jae Yoon Oh |
2011-05-03 |
| 7876018 |
Synchronous reluctance motor and compressor having the same |
Jae Yoon Oh, Kyung-Hoon Lee, Gil Su Lee, Hyun-Hun Shin, Dal-Ho Cheong +1 more |
2011-01-25 |
| 7852040 |
Motor driver system and method for controlling motor driver |
Kyung-Hoon Lee, Gil Su Lee, Jun-Ho Ahn, Jae Yoon Oh |
2010-12-14 |
| 7791298 |
Motor driver system and method for protecting motor driver |
Kyung-Hoon Lee, Gil Su Lee, Jun-Ho Ahn, Jae Yoon Oh |
2010-09-07 |
| 7687949 |
Rotor of synchronous reluctance motor |
Kyung-Hoon Lee, Jae Yoon Oh, Jun-Ho Ahn, Dal-Ho Cheong |
2010-03-30 |
| 7560846 |
Flux barrier type synchronous reluctance motor and rotor thereof |
Kyung-Hoon Lee, Dal-Ho Cheong, Jun-Ho Ahn, Jae Yoon Oh |
2009-07-14 |
| 7459821 |
Permanent magnet assisted synRM and method for imposing magnetic force thereon |
Dal Ho Cheong, Kyung-Hoon Lee, Hyun-Hun Shin, Jae Yoon Oh, Gil Su Lee |
2008-12-02 |
| 7358694 |
Apparatus and method for determining normal start up of sensorless motor |
Dal-Ho Cheong, Jae Yoon Oh |
2008-04-15 |
| 7138777 |
Sensorless motor drive apparatus and method for protecting and controlling the same |
Jae Yoon Oh, Gil Su Lee, Dal-Ho Cheong, Kyung-Hoon Lee |
2006-11-21 |
| 6831439 |
Apparatus for measuring magnetic flux of synchronous reluctance motor and sensorless control system for the same motor |
Jae Yoon Oh, Kyung-Hoon Lee, Dal-Ho Cheong |
2004-12-14 |
| 6735284 |
System for controlling motor and method for the same |
Dal-Ho Cheong, Jae Yoon Oh, Kyung-Hoon Lee |
2004-05-11 |
| 6646409 |
Apparatus for controlling rotation speed of motor |
Dal-Ho Cheong, Jae Yoon Oh, Kyung-Hoon Lee |
2003-11-11 |
