Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D939071 | Air purifier | Yong Ju Oh, Min Seok Kim | 2021-12-21 |
| D936028 | Smart phone | HoChun Yi, Yongbum Kim, KiHwan Son, Ilsup Yoon, Kyungju Kim | 2021-11-16 |
| D928782 | Visual display unit having rollable display | Soomin Ryou, KiHwan Son, Ilsup Yoon | 2021-08-24 |
| D908197 | Water container for humidifier capable of being controlled with wireless communication | Yong Ju Oh, Min Seok Kim | 2021-01-19 |