Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6813445 | Optical crossconnect apparatus and optical transmission system | Yasuyuki Fukashiro, Yukio Hayashi, Shigeki Kitajima, Masahiro Takatori, Shoichi Hanatani +1 more | 2004-11-02 |