Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6928212 | Waveguide-type optical control device and process for producing the same | — | 2005-08-09 |
| 6879737 | Optical waveguide device and process for production thereof | — | 2005-04-12 |
| 6876782 | Integrated type optical waveguide device | Tadahiko Hanada | 2005-04-05 |