Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6920265 | Arrayed waveguide grating type optical multiplexer/demultiplexer | Kazuhisa Kashihara | 2005-07-19 |
| 6870979 | Optical circuit, method for manufacturing optical circuit, optical circuit device and method for controlling optical circuit device | Hiroshi Kawashima | 2005-03-22 |