Issued Patents All Time
Showing 51–54 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9731995 | Lithium silicate amorphous or crystalline glass overlaying top surface of zirconia and preparation methods thereof | Yong-su Kim, Hyun Jun JEON, Hyung Bong LIM, Kyung Sik Oh, Sung ho Ha +1 more | 2017-08-15 |
| 9458280 | Polishing pad compound | Youngjun Jang, Bong-Su Ahn, Jungsik Choi | 2016-10-04 |
| 9333467 | Apparatus for manufacturing polishing pad and method of manufacturing polishing pad using the same | Youngjun Jang, Bong-Su Ahn, Jungsik Choi | 2016-05-10 |
| 9033723 | High voltage connector | Hyong Joon Park | 2015-05-19 |