Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6611651 | Material for optical waveguide, and optical waveguide and method for manufacturing the same | Kozaburo Hayashi, Yasuko Iokawa | 2003-08-26 |
| 6579398 | Method of manufacturing optical waveguide | — | 2003-06-17 |