Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6400881 | Optical device having thin film formed over optical waveguide | Tadao Nakazawa, Shinji Taniguchi | 2002-06-04 |
| 6370308 | Acousto-optical device | Tadao Nakazawa, Shinji Taniguchi | 2002-04-09 |
| 6337931 | Effective optical path length compensable optical device | — | 2002-01-08 |