Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11578445 | Washing machine and method for controlling same | Jae Poong Lee, Seung Hun Choi, Chang Joo Chai | 2023-02-14 |
| 10745851 | Washing machine and method for controlling same | Jae Poong Lee, Seung Hun Choi, Chang Joo Chai | 2020-08-18 |
| 8105047 | Electric home appliance having drain function and method of controlling the same | — | 2012-01-31 |
| 7716769 | Washing machine and suds removal method thereof | Chang Joo Chai, Hyeon O | 2010-05-18 |
| 7543346 | Drum washing machine and method of controlling the same | Hyoung Roh, Seung Moo Lim, Chang Joo Chai | 2009-06-09 |