Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8418662 | Apparatus for visually inspecting and removing foreign substance from gap of heat tube bundle in upper part of tube sheet of second side of steam generator | Sang Hoon Choi, Dong Il Kim | 2013-04-16 |
| 8419615 | Arc-shaped flexible printed circuit film type endoscope using imaging device with driving holes | Jang-Myong Woo, Sang Hoon Choi | 2013-04-16 |
| 8052596 | Arc-shaped flexible printed circuit film type endoscope using imaging device | — | 2011-11-08 |