Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6424445 | Optical transmission apparatus and optical systems | Hideaki Tsushima, Yasushi Sawada | 2002-07-23 |
| 6362905 | Optical crossconnect apparatus and optical transmission system | Yasuyuki Fukashiro, Yukio Hayashi, Tatsuo Kanetake, Masahiro Takatori, Shoichi Hanatani +1 more | 2002-03-26 |