Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6702959 | Long life, white light emitting electroluminescent phosphor | Chen-Wen Fan | 2004-03-09 |
| 6686043 | Method for making long-life electroluminescent phosphor | Chen-Wen Fan, Dale E. Benjamin | 2004-02-03 |