Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9717376 | Facial cleansing apparatus using electric motor and spring, control method therefor, and recording medium recording program for performing control method | Cheonghwan Hwang, Sohee KIM, Wooram Park, Yoon Hee Lee, Chilsung Lee +2 more | 2017-08-01 |
| 9578998 | Skin washing machine using brushless DC motor, method of controlling same, and program recording medium for performing the controlling method | Wooram Park, Sohee KIM, Yoonhee Lee, Cheonghwan Hwang, Kyung Shin Park +1 more | 2017-02-28 |