Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7988509 | Flow control mechanism for ship having cooling system | Soon Ho Choi, Sang Kyu Choi, Seung Myun Hwangbo | 2011-08-02 |
| 7857672 | Flow control device for improving pressure resistance and hull vibration | Chun Beom Hong, Joon Hwan Bae, Ki Hyun Kim, Seung Myun Hwangbo | 2010-12-28 |