Issued Patents All Time
Showing 25 most recent of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11190712 | Illumination state monitoring apparatus | — | 2021-11-30 |
| 9641754 | Monitoring camera for generating 3-dimensional image and method of generating 3-dimensional image using the same | — | 2017-05-02 |
| 9436894 | Image alignment apparatus and image alignment method of using the same | Joon Sung LEE, Gon Soo Kim | 2016-09-06 |
| 9420185 | Method and system for compensating for image blur by moving image sensor | — | 2016-08-16 |
| 9369612 | Image fusion system and method | Joon Sung LEE, Young Seo Park | 2016-06-14 |
| 9210342 | Method and system for removing noise by controlling lens iris | — | 2015-12-08 |
| 8947781 | Monitoring system for generating 3-dimensional image and method of measuring distance by using the image | — | 2015-02-03 |
| 7956505 | Rotor of electric motor for simplifying manufacturing process and electric motor having the same | Hyun-Hun Shin, Jun-Ho Ahn, Dal-Ho Cheong | 2011-06-07 |
| 7936141 | Motor driver system and method of protecting motor driver | Kyung-Hoon Lee, June Hee Won, Gil Su Lee, Jun-Ho Ahn | 2011-05-03 |
| 7876018 | Synchronous reluctance motor and compressor having the same | Kyung-Hoon Lee, June Hee Won, 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, June Hee Won, Gil Su Lee, Jun-Ho Ahn | 2010-12-14 |
| 7791298 | Motor driver system and method for protecting motor driver | Kyung-Hoon Lee, June Hee Won, Gil Su Lee, Jun-Ho Ahn | 2010-09-07 |
| 7687949 | Rotor of synchronous reluctance motor | Kyung-Hoon Lee, Jun-Ho Ahn, June Hee Won, Dal-Ho Cheong | 2010-03-30 |
| 7560846 | Flux barrier type synchronous reluctance motor and rotor thereof | Kyung-Hoon Lee, June Hee Won, Dal-Ho Cheong, Jun-Ho Ahn | 2009-07-14 |
| 7459821 | Permanent magnet assisted synRM and method for imposing magnetic force thereon | Dal Ho Cheong, Kyung-Hoon Lee, Hyun-Hun Shin, June Hee Won, Gil Su Lee | 2008-12-02 |
| 7358694 | Apparatus and method for determining normal start up of sensorless motor | June Hee Won, Dal-Ho Cheong | 2008-04-15 |
| 7138777 | Sensorless motor drive apparatus and method for protecting and controlling the same | June Hee Won, Gil Su Lee, Dal-Ho Cheong, Kyung-Hoon Lee | 2006-11-21 |
| 7102309 | Apparatus for compensating for speed error of motor | Dal-Ho Cheong | 2006-09-05 |
| 6831439 | Apparatus for measuring magnetic flux of synchronous reluctance motor and sensorless control system for the same motor | June Hee Won, Kyung-Hoon Lee, Dal-Ho Cheong | 2004-12-14 |
| 6769167 | Method of manufacturing a rotor for a synchronous reluctance motor | Kyung-Hun Lee, Dal-Ho Cheong | 2004-08-03 |
| 6735284 | System for controlling motor and method for the same | Dal-Ho Cheong, June Hee Won, Kyung-Hoon Lee | 2004-05-11 |
| 6724168 | Apparatus and method for controlling rotation speed of synchronous reluctance motor | Dal-Ho Cheong, Kyung-Hoon Lee | 2004-04-20 |
| 6646409 | Apparatus for controlling rotation speed of motor | June Hee Won, Dal-Ho Cheong, Kyung-Hoon Lee | 2003-11-11 |
| 6525497 | Phase distortion compensating apparatus and method for reducing torque ripple in 3-phase motor | Dong-Myung Lee, Dal-Ho Cheong | 2003-02-25 |
| 6388903 | Voltage compensating apparatus and method for 3-phase inverter employing four switches | Dong-Myung Lee, Dal-Ho Cheong, Soon Bae Yang | 2002-05-14 |