Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12263311 | Method for providing mental massage to help treat anxiety and depression, and massage device | Woong Chul KANG, A Ran MIN | 2025-04-01 |
| 11471373 | Massage chair for performing brain massage | Woong Chul KANG, Soo Hyun Cho, Chul Jin JEON | 2022-10-18 |
| 11043977 | Electronic device and method for determining reception path of communication signal by electronic device | Han LEE | 2021-06-22 |
| 9879194 | Method for reforming coal using palm residue | Si-Hyun Lee, Nam-Sun Nho, Seung-Hyun Moon, Sang Do Kim, Dong-hyuk Chun +8 more | 2018-01-30 |
| 5961675 | High efficiency compact Cybagfilter | Jae-Ik Son, Young-o Park, Cheol-Oh Koo, Hong-Yong Kim, Sang Do Kim +2 more | 1999-10-05 |