Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5679291 | Method of fabricating optical waveguide device | — | 1997-10-21 |
| 5612086 | Method of manufacturing an optical waveguide device | Takashi Yamane, Junko Watanabe | 1997-03-18 |
| 5598490 | Dielectric optical waveguide device | Takashi Yamane | 1997-01-28 |