Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5671315 | Optical parts fixing apparatus and method of manufacturing the same | Tsugio Kumai, Seimi Sasaki, Kazunori Miura | 1997-09-23 |
| 5644667 | Integrated semiconductor optical devices and method of manufacture employing substrate having alignment groove | — | 1997-07-01 |
| 5611006 | Hybrid type integrated optical device having double-layered substrate | — | 1997-03-11 |