Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7799130 | Silicon single crystal ingot and wafer, growing apparatus and method thereof | Young-Ho Hong, Ill Soo Choi, Hyon-Jong Cho, Hong-Woo Lee | 2010-09-21 |
| 7125608 | Single-crystal silicon ingot and wafer having homogeneous vacancy defects, and method and apparatus for making same | Young-Ho Hong, Ill Soo Choi, Sang Hee Kim, Hong-Woo Lee | 2006-10-24 |