Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6458494 | Etching method | Ki-Chang Song, Chil Keun Park | 2002-10-01 |
| 6347103 | Light source module with two wavelength | Ki-Chang Song, Young-Joo Yee | 2002-02-12 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6458494 | Etching method | Ki-Chang Song, Chil Keun Park | 2002-10-01 |
| 6347103 | Light source module with two wavelength | Ki-Chang Song, Young-Joo Yee | 2002-02-12 |