Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9273723 | Composite magnetic bearing having auxiliary bearing coupled thereto | Cheol-hoon Park, Sang Kyu Choi, Sang-Yong Ham, Doo Euy Hong | 2016-03-01 |
| 9181977 | Air-foil bearing | Cheol-hoon Park, Sang Kyu Choi, Doo Euy Hong, Sung Hwi Lee, Sang-Yong Ham | 2015-11-10 |
| 9157473 | Thrust bearing and combo bearing | Cheol-hoon Park, Sang Kyu Choi, Doo Euy Hong | 2015-10-13 |
| 8998493 | Split combo bearing | Cheol-hoon Park, Sang Kyu Choi, Sung Hwi Lee, Sang-Yong Ham, Doo Euy Hong | 2015-04-07 |