Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12409458 | Air purification filter and air purifier including same | Jung-Ryun Lee, Seung Jae Baeck, Chul-Woo Park | 2025-09-09 |
| 12370559 | Air purifying filter | Jung-Ryun Lee, Seung Jae Baeck, Hyung Ho Park, Yang Hwa Lee, Chi-Young Choi | 2025-07-29 |
| 8323940 | Air cleaning filter comprising formaldehyde dehydrogenase and process for producing the same | Sung Hwa Lee, Jae-Soo Jang | 2012-12-04 |
| 8316673 | Apparatus of supplying and discharging fluid and method of operating the same | Sung Hwan Lee | 2012-11-27 |
| 8197728 | Molded articles with antimicrobial property and manufacturing method thereof | Sung Hwan Lee, Sung Hwa Lee, Hyung Ho Park | 2012-06-12 |
| 8124016 | Articles with antimicrobial property and manufacturing method thereof | Sung Hwan Lee, Hyung Ho Park | 2012-02-28 |
| 7764482 | Vitamin ion generator | Sung Hwa Lee, Seong Hwan Lee | 2010-07-27 |
| 7591884 | Air cleaner with electrostatic flocked piles | Sung Hwa Lee, Sung Hwan Lee | 2009-09-22 |