Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6021786 | Wafer treatment method using hydrophilic making fluid supply | Sang Bok Lee, Dong-tae Kim | 2000-02-08 |
| 5843850 | Method of stripping a nitride layer from a wafer and wet etching apparatus using the same | Dong Min Shin, Se-Jong Ko, Tae-Juon Kim | 1998-12-01 |