Issued Patents 2002
Showing 1–3 of 3 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 |