Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6611638 | High performance optical add/drop multiplexer and optical wavelength multiplexing network | — | 2003-08-26 |
| 6586262 | Etching end-point detecting method | Susumu Saito | 2003-07-01 |
| 6532103 | Optical fiber amplifier and optical transmission system using the same | Ichiro Yokota, Junya Kosaka, Takayuki Suzuki | 2003-03-11 |