Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6668117 | Arrayed waveguide grating optical multiplexer demultiplexer | Junichi Hasegawa, Atsushi Hi Raizumi, Yoshinobu Nekado | 2003-12-23 |
| 6529670 | Optical fiber array and optical light-wave device, and connecting the same | Toshihiko Ota | 2003-03-04 |