Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5656888 | Oxygen-doped thiogallate phosphor | Sey-Shing Sun, Eric R. Dickey, Richard T. Tuenge | 1997-08-12 |
| 5505986 | Multi-source reactive deposition process for the preparation of blue light emitting phosphor layers for AC TFEL devices | Karl-Otto Velthaus, Reiner Mauch, T. Achim Oberacker, Hans-Werner Schock, Sey-Shing Sun +1 more | 1996-04-09 |