Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6858077 | Single crystalline silicon wafer, ingot, and producing method thereof | Hong-Woo Lee, Joon-Young Choi, Hyon-Jong Cho | 2005-02-22 |
| 6527859 | Apparatus for growing a single crystalline ingot | Hong-Woo Lee, Joon-Young Choi, Hyon-Jong Cho | 2003-03-04 |
| 6521316 | single crystalline silicon wafer, ingot, and producing method thereof | Hong-Woo Lee, Joon-Young Choi, Hyon-Jong Cho | 2003-02-18 |