Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10562593 | Frictional resistance-reducing device and ship including same | Jin Jang, Sang Min Kim, Soon Ho Choi, Jong-oh Kwon, Boo Ki Kim +2 more | 2020-02-18 |
| 10266230 | Frictional resistance-reducing device and ship including same | Jin Jang, Su Heun Kwen, Sang Min Kim, Jin Kyu Kim, Jin Hak Kim +4 more | 2019-04-23 |
| 8319480 | Apparatus and method of power control | Hee-Sang Ko, Yun-Tae Kang | 2012-11-27 |
| 8159196 | Apparatus and method of power control | Hee-Sang Ko, Yun-Tae Kang | 2012-04-17 |