Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |