Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6826334 | Arrayed waveguide grating, arrayed waveguide grating module, arrayed waveguide grating module waveguide compensation method, optical communication system | — | 2004-11-30 |
| 6810180 | Arrayed waveguide grating, arrayed waveguide grating module, arrayed waveguide grating module waveguide compensation method, optical communication system | — | 2004-10-26 |
| 6788848 | Arrayed waveguide grating device, process for producing the same, arrayed waveguide module, and optical communication system | — | 2004-09-07 |
| 6690861 | Arrayed waveguide grating, arrayed waveguide grating module, arrayed waveguide grating module waveguide compensation method, optical communication system | — | 2004-02-10 |
| 6684013 | Optical waveguide device to be optically poled, method of manufacturing optical waveguide device to be optically poled, and method of optically poling optical waveguide device | Yuko Seki, Yutaka Urino, Akio Furukawa, Tadahiko Hanada, Naoki Ofusa | 2004-01-27 |