Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6477311 | Method and device for selecting light source for optical communication | — | 2002-11-05 |
| 6426236 | Method for making semiconductor optical modulator | Hiroyuki Yamazaki | 2002-07-30 |