Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11492568 | Composition of internal lubricant for cold pilgering | Min-Young Park, Sang Jin Han, Ki Bum Park, Jung-Woo Cha, Kyung Tae Kim +3 more | 2022-11-08 |
| 7585003 | Apparatus for adjusting the length of a thread loop in a tag fastener | — | 2009-09-08 |
| 6410382 | Fabrication method of semiconductor device | Ki Jae Huh | 2002-06-25 |
| 5645719 | Filter clamping device for water purifiers | Dong-Kyu Ha | 1997-07-08 |
| 5639203 | Semiconductor device transfer apparatus | — | 1997-06-17 |