Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6496289 | Optical exchanger | Satoshi Kuroyanagi, Tetsuya Nishi, Isao Tsuyama, Ichiro Nakajima | 2002-12-17 |
| 6433900 | Optical wavelength multiplexing system having a redundant configuration | Satoshi Kuroyanagi, Tetsuya Nishi, Ichiro Nakajima, Isao Tsuyama | 2002-08-13 |