Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6778725 | Optical switching apparatus, optical transmission system and method of setting up for optical signal route | Hideaki Tsushima, Shigeki Kitajima, Yasuyuki Fukashiro, Takashi Mori | 2004-08-17 |