Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10111805 | Facial massager | Changman Park, Changkeun Lee, Seunghwan Yi, Cheonghwan Hwang, Wooram Park +4 more | 2018-10-30 |
| 10034815 | Vibrating stimulus pad | Changman Park, Sungwon Yi, Changkeun Lee, Kwanghyun Shin, Seunghwan Yi +2 more | 2018-07-31 |
| 9962315 | Electric module for stimulating skin | Chang-Man Park, Chil-Sung Lee, Changkeun Lee, Seunghwan Yi, Cheonghwan Hwang +4 more | 2018-05-08 |
| 9744096 | Face massaging device | Changman Park, Changkeun Lee, Seunghwan Yi, Cheonghwan Hwang, Wooram Park +2 more | 2017-08-29 |