Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9751603 | Propulsion device for ship and ship comprising the same | Dong Hyun Lee, Jong-Soo Seo, Tae-Goo Lee, Kwang Jun Paik, Kwang Kun Park +2 more | 2017-09-05 |
| 9694886 | Variable-pitch-propeller drive device and pitch-angle control method, and boat having same | Hyuk Kwun | 2017-07-04 |
| 9694887 | Propulsion device for ship and ship having the same | Jin-Suk Lee, Hyun-Sang Park, Hyung Gil Park, Kwang Jun Paik, Dong Hyun Lee +5 more | 2017-07-04 |