Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6777718 | Semiconductor optical device | — | 2004-08-17 |
| 6778751 | Optical modulator and photonic semiconductor device | Hitoshi Tada | 2004-08-17 |
| 6760141 | Semiconductor optical modulator and semiconductor optical device | — | 2004-07-06 |