Issued Patents 2020
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10856711 | Vacuum cleaner | Kietak Hyun, Soohan Eo, Sangchul Lee | 2020-12-08 |
| 10632478 | Dust collector and cleaner having the same | Kietak Hyun, Sangchul Lee | 2020-04-28 |
| 10629473 | Footing removal for nitride spacer | Tom Choi | 2020-04-21 |
| 10600639 | SiN spacer profile patterning | Tom Choi, Nitin K. Ingle, Kwang Soo Kim, Theodore Wou | 2020-03-24 |