Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D927665 | Air cleaner holder | Jiyoung Kang, Hojung Kim | 2021-08-10 |
| D919552 | Cup holder base for vehicle | Jiyoung Kang, Hojung Kim | 2021-05-18 |
| D914863 | Portable air cleaner holder | Bohyun Kim, Juhyup Yoon | 2021-03-30 |
| D909962 | Battery case for air purifier | Youngjun Kim, Hojung Kim | 2021-02-09 |
| D910158 | Filter for air purifier | Hojung Kim | 2021-02-09 |