Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6807245 | PLO device | Setsuo Misaizu, Isao Nakajima | 2004-10-19 |
| 6697546 | Optical node system and switched connection method | Junichi Yoshimura, Satoshi Kuroyanagi | 2004-02-24 |
| 6674927 | Optical modulator with reduced deterioration of optical waveform in high frequency band | — | 2004-01-06 |