Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D936156 | Toy block | Kee Young Park, Gyu Jin Seo, Ju Seong Lee, Chang Moon Lee, Ki-Ho Lee +3 more | 2021-11-16 |
| D909493 | Toy block | Kee Young Park, Gyu Jin Seo, Ju Seong Lee, Chang Moon Lee, Ki-Ho Lee +3 more | 2021-02-02 |
| D909494 | Toy block | Kee Young Park, Gyu Jin Seo, Ju Seong Lee, Chang Moon Lee, Ki-Ho Lee +3 more | 2021-02-02 |