Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10669003 | Ship having improved power efficiency | — | 2020-06-02 |
| 10615601 | Ship and power managing method of the same | — | 2020-04-07 |
| 8319480 | Apparatus and method of power control | Hee-Sang Ko, Jae Doo Lee | 2012-11-27 |
| 8159196 | Apparatus and method of power control | Hee-Sang Ko, Jae Doo Lee | 2012-04-17 |
| 7679208 | Apparatus and system for pitch angle control of wind turbine | Hee-Sang Ko | 2010-03-16 |