Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6496624 | Optical waveguide device for optical wiring and manufacturing method therefor | Makoto Hikita, Satoru Tomaru, Koji Enbutsu, Saburo Imamura, Michiyuki Amano | 2002-12-17 |
| 6226429 | Manufacturing method for optical waveguide device | Makoto Hikita, Satoru Tomaru, Koji Enbutsu, Saburo Imamura, Michiyuki Amano | 2001-05-01 |