Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11982013 | Raw material feed hopper and single crystal growth system | Sang Heon Lee, Cheol Hwan Kim | 2024-05-14 |
| 9657411 | Single-crystal growth apparatus | Do-Won Song, Jun Hyuk Choi, Jin Ho Son, Cheol Hwan Kim | 2017-05-23 |
| 8597756 | Resistance heated sapphire single crystal ingot grower, method of manufacturing resistance heated sapphire single crystal ingot, sapphire single crystal ingot, and sapphire wafer | Do-Won Song, Young Hee Mun, Sang Hoon Lee, Seong Oh Jeong | 2013-12-03 |