Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9790618 | Method and apparatus for growing sapphire single crystals | — | 2017-10-17 |
| 8680002 | Double metal cyanide catalyst having a controlled reactivity for preparing a polyol and preparation thereof | Sang Hyun Lee, Young Chan Jeon, Sang Wook Park, Chang Ha Park, In-Ha Park | 2014-03-25 |