Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12187946 | Polymerisable liquid crystal material and polymerised liquid crystal film | Hoo-Yong Lee, Hyun-Jin Yoon, Heui-Seok Jin | 2025-01-07 |
| 11186774 | Liquid-crystal medium | Eun-Kyu Lee, Hyun-Jin Yoon, Min-Ok JIN, Yong-Kuk Yun | 2021-11-30 |
| 10605237 | Multiple oscillating water pumping device | Jin Hwan Ko, Patar Ebenezer Sitorus | 2020-03-31 |
| 9617434 | Amphiphilic hydrogel particles for antifouling paint and method of fabricating the same | Jin Hwan Ko, Kwang Soo Lee, Ho Sup Jung, Moon Kyu KWAK | 2017-04-11 |
| 9574316 | Suction foundation having enhanced self-weight penetration and construction method thereof | Taek Hee Han, Jin Yi, Young Hyun Park | 2017-02-21 |
| 8807917 | Maintenance system of helical turbine | Kwang Soo Lee, Ki Dai Yum, Seong Eun Kim, Myoung Hak Oh, Choong Beom Lee +1 more | 2014-08-19 |
| 8740545 | Maintenance system of helical turbine | Kwang Soo Lee, Ki Dai Yum, Seong Eun Kim, Myoung Hak Oh, Choong Beom Lee +1 more | 2014-06-03 |
| 8308424 | Power generation system using helical turbine | Ki Dai Yum, Kwang Soo Lee, Sok-Kuh Kang, Jae-Youll Jin, Woo-Sun Park | 2012-11-13 |
| 8222761 | Power generation system using helical turbine | Ki Dai Yum, Kwang Soo Lee, Sok-Kuh Kang, Jae-Youll Jin, Woo-Sun Park | 2012-07-17 |
| 7112232 | Air cleaning apparatus | Jun Eui Chang, In A Chae | 2006-09-26 |