Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6498050 | Bipolar transistor, semiconductor light emitting device and semiconductor device | — | 2002-12-24 |
| 6404792 | Semiconductor light-emitting device | Masahiro Yamamoto, Shin-Ya Nunoue | 2002-06-11 |
| D456378 | Portable telephone | — | 2002-04-30 |
| 6359919 | Gallium nitride-based compound semiconductor laser and method of manufacturing the same | Masayuki Ishikawa, Masahiro Yamamoto, Shinya Nunoue, Johji Nishio, Genichi Hatakoshi | 2002-03-19 |