Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9259855 | Diamond tool | Hongsang Rho | 2016-02-16 |
| 7128066 | Diamond tool with metal plate inserted therein | Hwan-Chul Lee, Seo Pyun, Sang-Do Lee, Byung Lyul Jin, Sang Jin Lee +2 more | 2006-10-31 |