Issued Patents 2017
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9731995 | Lithium silicate amorphous or crystalline glass overlaying top surface of zirconia and preparation methods thereof | Hyun Jun JEON, Hyung Bong LIM, Kyung Sik Oh, Sung ho Ha, Jin Su Jeong +1 more | 2017-08-15 |
| 9722785 | Method and apparatus for quantum cryptographic communication | Sang Wook Han, Sung Wook Moon, Yujun Choi | 2017-08-01 |
| 9676656 | High strength and aesthetic lithium disilicate crystalline glass-ceramics containing cristobalite crystal and preparation method thereof | Hyun Jun JEON, Hyung Bong LIM, Kyung Sik Oh, Sung ho Ha, Cheol young Kim +2 more | 2017-06-13 |
| 9590418 | Apparatus for checking damage to surge protector and automatically changing surge protector | Dong Jin Kim, Jong-Yeon Kim, Jin Yeong LEE, Wan-Seong Kwon, Dong-Min Kim | 2017-03-07 |