Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11465251 | Built-in type electric driving system of machine tool and operation method therefor | Yongseon YUN, Bonsaeng Ku | 2022-10-11 |
| 6628034 | Brushless DC motor with armature windings compensated by auxiliary windings | Gunhee Jang, Kyungsu KIM | 2003-09-30 |