Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6792176 | Optical switch expanding method, optical switch, and optical crossconnecting apparatus | Satoshi Kuroyanagi | 2004-09-14 |
| 6768573 | Polarization control optical space switch | Takuji Maeda, Satoshi Kuroyanagi, Tsuyoshi Yamamoto | 2004-07-27 |
| 6741811 | Optical cross-connect device and system having the device | Satoshi Kuroyanagi, Ichiro Nakajima, Takuji Maeda, Toru Katagiri | 2004-05-25 |
| 6708000 | Photonic node, photonic nodes for transmission and reception, and method of restoring traffic upon occurrence of link failure in optical path network | Satoshi Kuroyanagi | 2004-03-16 |