Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5703974 | Semiconductor photonic integrated circuit and fabrication process therefor | Tatsuya Sasaki | 1997-12-30 |
| 5701379 | Waveguide type semiconductor photodetecting device and fabrication process therefor | — | 1997-12-23 |