Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6413791 | Epitaxial wafer and manufacturing method thereof as well as light-emitting diode with enhanced luminance | Seiji Mizuniwa, Toshiya Toyoshima | 2002-07-02 |
| 5965908 | Epitaxial wafer and manufacturing method thereof as well as light-emitting diode with enhanced luminance | Seiji Mizuniwa, Toshiya Toyoshima | 1999-10-12 |