Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9211631 | Grinding wheel truing tool and manufacturing method thereof, and truing apparatus, method for manufacturing grinding wheel and wafer edge grinding apparatus using the same | Yong-Dug Kim, Gye-Je Cho, Mun-Suk Yong, Hwan-Yun Jung, Kyung Moo Lee +1 more | 2015-12-15 |
| 8398464 | Grinding wheel truing tool and manufacturing method thereof, and truing apparatus, method for manufacturing grinding wheel and wafer edge grinding apparatus using the same | Yong-Dug Kim, Gye-Je Cho, Mun-Suk Yong, Hwan-Yun Jung, Kyung Moo Lee +1 more | 2013-03-19 |