Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10913679 | Miserite crystallized glass for artificial tooth and method for coloring same | Young-Joo Song, Si-Won Sung, Seung Bum Park | 2021-02-09 |
| 10889522 | Wollastonite crystallized glass for artificial tooth and method for coloring same | Si-Won Sung, Young-Joo Song, Seung Bum Park | 2021-01-12 |