Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10221102 | Sialon composite and cutting tools made thereof | Dae Yeop Lee, Geun Ho Park, Chang Hoon Hong | 2019-03-05 |
| 10000420 | Ceramic material and cutting tools made thereof | Dae Yeop Lee, Geun Ho Park, Chang Hoon Hong | 2018-06-19 |
| 8092561 | Cutting tool | Kwon Hee Park, Sang Woong Na | 2012-01-10 |