Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12318060 | Cleaner | Dongjin CHO, Ohkyu KWON, Youngjun CHO, Seongtae CHU | 2025-06-03 |
| 12207785 | Cleaner | Youngjun CHO, Ohkyu KWON, Dongjin CHO, Seongtae CHU | 2025-01-28 |
| 11647882 | Dust collecting apparatus and cleaner having the same | Dongjin CHO, Jiwook CHUNG, Jiho SEO, Wonkyu Lim | 2023-05-16 |