Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7799130 | Silicon single crystal ingot and wafer, growing apparatus and method thereof | Young-Ho Hong, Man Seok Kwak, 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, Sang Hee Kim, Man Seok Kwak, Hong-Woo Lee | 2006-10-24 |
| 6899760 | Silicon single crystal growing furnace supplemented with low melting point dopant feeding instrument and the low melting point dopant feeding method thereof | Hyun Kyo Choi | 2005-05-31 |
| 6743472 | Coating material for absorbing radiant heat, manufacturing method thereof | Bong Mo Park | 2004-06-01 |