Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6643422 | Optical switch changeover controlling method, optical node device and optical switch system | Toru Katagiri, Satoshi Kuroyanagi, Tetsuya Nishi, Takuji Maeda | 2003-11-04 |
| 6564254 | System and a process for specifying a location on a network | Wataru Shoji, Daisuke Tabuchi, Gabriele Gramlich | 2003-05-13 |
| 6522803 | Optical cross-connect equipment | Isao Tsuyama, Satoshi Kuroyanagi | 2003-02-18 |