Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6388274 | Epitaxial wafer for infrared light-emitting device and light-emitting device using the same | Junichi Yamamoto, Akihiro Kitazaki | 2002-05-14 |
| 6348703 | Epitaxial wafer for infrared light-emitting device and light-emitting device using the same | Junichi Yamamoto | 2002-02-19 |
| 6335547 | Epitaxial wafer for infrared light-emitting device and light-emitting device using the same | Toshiyuki Tanaka | 2002-01-01 |
| 6144044 | Gallium phosphide green light-emitting device | Koichi Hasegawa | 2000-11-07 |
| 5895706 | Epitaxial structure for GaP light-emitting diode | — | 1999-04-20 |
| 5811840 | Epitaxial wafer for GaP light-emitting element and GaP light-emitting element | — | 1998-09-22 |