Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11396351 | Platform for floating type offshore structure having protrusion member and semi-submersible offshore structure including the same | Key-Yong Hong, Kang Su LEE, Kyong-Hwan Kim, Se-Wan Park, Sung Youn Boo +2 more | 2022-07-26 |
| 10584682 | Floating-type offshore wind power generation facility | Key-Yong Hong, Kang Su LEE, Kyong-Hwan Kim, Se-Wan Park | 2020-03-10 |
| 10160516 | Marine structure platform having movement damping function and submersible marine structure having same | Key-Yong Hong, Kang Su LEE, Kyong-Hwan Kim, Se-Wan Park | 2018-12-25 |
| 10066714 | Drive apparatus of chair assembly for 4D theater | Tae Young Ku, Min Jong Kim | 2018-09-04 |
| 10022746 | Apparatus and method for treating a substrate | Sul Lee, Young Hun Jung | 2018-07-17 |
| 9574445 | Apparatus for bi-directionally mining manganese nodule | Tae-Kyeong Yeu, Sup Hong, Hyung Woo Kim | 2017-02-21 |
| 9334625 | Buffer system for mining deep seafloor mineral resource | Sup Hong, Hyung Woo Kim, Tae-Kyeong Yeu, Cheon Hong Min | 2016-05-10 |
| 9334734 | Robot for mining manganese nodules on deep seafloor | Sup Hong, Hyung Woo Kim, Tae-Kyeong Yeu | 2016-05-10 |
| 8286580 | Apparatus and method for treating substrate | Young Kweon Choi | 2012-10-16 |
| 5513417 | Silencing device for vacuum cleaner | Tae-Sig Kim | 1996-05-07 |