Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8120756 | Laser doppler velocity system for variable beam focusing | Sung-Hoon Baik, Chul-Hwa Song | 2012-02-21 |
| 8082947 | Separable ball valve apparatus and ball valve assembly | Chul-Hwa Song | 2011-12-27 |
| 7967026 | Coupling and decoupling assembly of pipe having double valve | Sang Ki Moon, Seok Cho, Bok Deuk Kim | 2011-06-28 |
| 7364070 | System and method for real-time remote shopping | — | 2008-04-29 |