Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6496624 | Optical waveguide device for optical wiring and manufacturing method therefor | Makoto Hikita, Koji Enbutsu, Saburo Imamura, Michiyuki Amano, Shun-ichi Tohno | 2002-12-17 |