DOMESTIC PATENTS

26 domestic patents are registered (updated at 2023.12.27)

Domestic Patents

1. S.B. Lee, J. Yoo,

“Device for driving and diagnosing insulation of AC motor,”

Korean Patent 1006699510000, Jan. 10, 2007.

2. S.B. Lee, J. Yang,

“Apparatus, and method for diagnosing the insulation condition of three phase alternating current rotating machinery, and a medium having computer readable program for executing the method,”

Korean Patent 1007984690000, Jan. 21, 2008.

3. S. Lee, Y. Oh, C. Choi, J. Yoon, S.B. Lee,

“Apparatus and method for detecting stator winding groundwall insulation condition of inverter-fed AC motor,”

Korean Patent 1008237240000, Apr. 14, 2008.

4. S. Lee, Y. Oh, C. Choi, J. Yoon, S.B. Lee,

“Device and method for detecting fault of stator windings of inverter-fed AC motor,”

Korean Patent 1008237230000, Apr. 14, 2008.

5. S.B. Lee, J. Cho,

“Method for diagnosing the insulation condition of three phase alternating current rotating machinery, and a medium having computer readable program for executing the method,”

Korean Patent 1009018550000, Jun. 2, 2009.

6. S.B. Lee, J. Yoon,

“Apparatus and method for detecting high-resistance connections in the incoming electrical circuit for three phases AC motors, and a medium having computer readable program for executing the method,”

Korean Patent 1009054430000, Jun. 24, 2009.

7. S.B. Lee, J. Yoon,

“Apparatus and method for diagnosing three phase AC motor, and a medium having computer readable program for executing the method,”

Korean Patent 1009251480000, Oct. 29, 2009.

8. S.B. Lee, J. Hong,

“Apparatus and method for monitoring permanent magnet demagnetization of permanent magnet synchronous motors, and a medium having computer readable program for executing the method,”

Korean Patent 1010191230000, Feb. 24, 2011.

9. S.B. Lee, K. Lee,

“Apparatus and method for diagnosing stator state of three phase AC motors, and a medium having computer readable program for executing the method,”

Korean Patent 1010463280000, Jun. 28, 2011.

10. S.B. Lee, B. Kim,

“Method for detecting rotor faults of inverter-fed induction motor, and a medium having computer readable program for executing the method,”

Korean Patent 1011429740000, Apr. 27, 2012.

11. S.B. Lee, J. Hong,

“Apparatus and method for diagnosing electrical contact quality of motor, and a medium having computer readable program for executing the method”

Korea Patent 1011429730000, Apr. 27, 2012.

12. S.B. Lee, D. Hyun,

“Apparatus and method for monitoring of airgap eccentricity of induction motors, and a medium having computer readable program for executing the method,”

Korean Patent 1011512440000, May. 23, 2012.

13. S.B. Lee, J. Hong, C. Kral, A. Haumer,

“Apparatus and method for monitoring condition of permanent magnet synchronous motors, and recoding medium having program for executing the method,”

Korean Patent 1013287380000, Dec. 5, 2012.

14. S.B. Lee, J. Yang,

“System for monitoring insulation condition of electric motors,”

Korean Patent 1012283860000, Jan. 25, 2013.

15. S.B. Lee, J. Hong,

“Apparatus and method for monitoring of airgap eccentricity of induction motors, and recording medium storing program for executing method of the same in computer,”

Korean Patent 1013265860000, Nov. 1, 2013.

16. S.B. Lee, D. Hyun,

“Apparatus and method for diagnosing rotor faults of induction motor, and a medium having computer readable program for executing the method,”

Korean Patent 1013265860000, Nov. 1, 2013.

17. T. Lee, K. Lee, S.B. Lee,

“Driving apparatus for permanent magnet synchronous motor,”

Korean Patent 1013671240000, Feb. 19, 2014.

18. C. Lim, S. Park, Y. Bae, S.B. Lee, K. Lee,

“System and method for diagnosing magnetic wedges for three phase AC motors, and a medium having computer readable program for executing the method,”

Korean Patent 1014465300000, Sep. 25, 2014.

19. S.B. Lee, D. Hyun,

"System and method for diagnosing PM synchronous motor and a recording medium having computer readable program for executing the method,"

Korea Patent 1016802420000, Nov. 22, 2016.

20. S.B.Lee

"System and method for diagnosing journal bearings of induction motor, and a recording medium having computer readable program for executing the method,"

Korea Patent 1017205690000, Mar. 22, 2017.

21. S.B.Lee, T. Kang

"SYSTEM AND METHOD FOR DIAGNOSING BELT-PULLEY SYSTEM, AND A RECORIDNG MEDIUM HAVING COMPUTER READABLE PROGRAM FOR EXECUTINT THE METHOD, "

Korea Patent 1018090340000, Dec. 08, 2017.

22. S.B.Lee, Y. Park, M. Jung

"SYSTEM AND METHOD FOR DIAGNOSING ROTOR DEFECTS OF SQUIRREL CAGE INDUCTION MOTOR ,"

Korea Patent 1018415770000, Mar. 19, 2018.

23. S.B.Lee, C. Yang,  S. Park, A. Jose

"SYSTEM AND METHOD FOR DETECTING DAMPER BAR BREAKAGE OF 3-PHASE SALIENT POLE SYNCHRONOUS MACHINES ,"

Korea Patent 1020287100000, Sep. 27, 2019.

24. S.B.Lee

"APPARATUS AND METHOD OF DETECTING FIELD WINDING SHORT CIRCUITS IN 3-PHASE WOUND-FIELD SYNCHRONOUS MOTORS ,"

Korea Patent 1021526950000, Sep. 1, 2020.

25. S.B.Lee, J.Shin, Y.Park

"MOTOR, APPARATUS FOR DETECTION OF MALFUNCTION OF THE MOTOR AND METHOD THEREOF,"

Korea Patent 1022664470000, Jun. 11, 2021.

26. S.B.Lee, H.Kim, M.F.Shaikh

"METHOD FOR DETECTION OF FAULT OF SYNCHRONOUS MACHINE,"

Korea Patent 1025446040000, Jun. 13, 2023.