Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6668117 | Arrayed waveguide grating optical multiplexer demultiplexer | Atsushi Hi Raizumi, Tsunetoshi Saito, Yoshinobu Nekado | 2003-12-23 |
| 6636507 | Frame data exchanging method and apparatus | Yutaka Miyoshi, Yoshiyuki Kunito | 2003-10-21 |