Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6934479 | Wavelength division multiplexing optical communication system and wavelength division multiplexing optical communication method | Futoshi Izumi, Toshikazu Ueki | 2005-08-23 |
| 6919987 | Light wavelength-multiplexing systems | Kazuo Takatsu, Yoshinori Tochiki, Kimio Uekama | 2005-07-19 |