Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11078917 | Air cooling apparatus having an expander driven by a power transmission using a rotating magnetic field | Seungjoo Han, Jongtaek Han | 2021-08-03 |
| 10686347 | High-speed motor | Seungjoo Han, Jongtaek Han | 2020-06-16 |
| 10389221 | Power transmission apparatus using magnetic field | Seungjoo Han, Jongtaek Han | 2019-08-20 |
| 10158270 | Variable power transmission device | Seungjoo Han, Jongtaek Han | 2018-12-18 |
| 5775046 | Modular construction member | David J. Fanger, Richard Seubert, Darcy M. Ytterdahl, O. John Bourg, III | 1998-07-07 |