Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11020335 | Cosmetic coloring material and use thereof | Hong Ha Son, Kyong Seob Kim, Khee Hwan Choi | 2021-06-01 |
| 9408021 | Bluetooth headset | Seung-Tae Ryu | 2016-08-02 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11020335 | Cosmetic coloring material and use thereof | Hong Ha Son, Kyong Seob Kim, Khee Hwan Choi | 2021-06-01 |
| 9408021 | Bluetooth headset | Seung-Tae Ryu | 2016-08-02 |