Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6836573 | Directional coupler type optical modulator with traveling-wave electrode | — | 2004-12-28 |
| 6710378 | Semiconductor light reception device of end face light incidence type | Masao Makiuchi, Nami Yasuoka, Takuya Fujii | 2004-03-23 |