Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8807917 | Maintenance system of helical turbine | Jin Soon Park, Kwang Soo Lee, Seong Eun Kim, Myoung Hak Oh, Choong Beom Lee +1 more | 2014-08-19 |
| 8740545 | Maintenance system of helical turbine | Jin Soon Park, Kwang Soo Lee, Seong Eun Kim, Myoung Hak Oh, Choong Beom Lee +1 more | 2014-06-03 |
| 8308424 | Power generation system using helical turbine | Jin Soon Park, Kwang Soo Lee, Sok-Kuh Kang, Jae-Youll Jin, Woo-Sun Park | 2012-11-13 |
| 8222761 | Power generation system using helical turbine | Jin Soon Park, Kwang Soo Lee, Sok-Kuh Kang, Jae-Youll Jin, Woo-Sun Park | 2012-07-17 |