Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12264710 | Magnetic bearing with coaxial eddy current displacement sensor | — | 2025-04-01 |
| 12053849 | Vibration damping system and method for estimating cutting force of machine tool using same | — | 2024-08-06 |
| 11835118 | Harmonic drive gear with improved contact ratio | — | 2023-12-05 |
| 11393707 | Contactless vertical transfer device using linear motor | — | 2022-07-19 |
| 10833555 | Motor for reducing a repulsive force | — | 2020-11-10 |
| 10232734 | Linear motor motion stage with passive reaction force compensation function | — | 2019-03-19 |
| 9608496 | Reaction force compensation device | Kyoung Rock Kim, Dong-Jun KIM | 2017-03-28 |
| 9553498 | Planar motor and processing apparatus and using the same | Kyoung Rock Kim | 2017-01-24 |
| 9194689 | Apparatus for measuring displacement | — | 2015-11-24 |
| 7302762 | Plate type capacitive sensor for five-dimensional displacement measurement | Chi-Hyoung Shim, Dong-Chul Han | 2007-12-04 |
| 7255074 | Linear EMV actuator using permanent magnet and electromagnet | Dong-Chul Han, Jee Uk Chang, Sang Yong Kwak | 2007-08-14 |