Issued Patents 2017
Showing 1–2 of 2 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, Kyung Sik Oh, Sung ho Ha, Jin Su Jeong +1 more | 2017-08-15 |
| 9676656 | High strength and aesthetic lithium disilicate crystalline glass-ceramics containing cristobalite crystal and preparation method thereof | Yong-su Kim, Hyun Jun JEON, Kyung Sik Oh, Sung ho Ha, Cheol young Kim +2 more | 2017-06-13 |