Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6836622 | Optical transmitter, and method of controlling bias voltage to the optical transmitter | Tatsuya Kobayashi, Katsuhiro Shimizu, Yukio Kobayashi | 2004-12-28 |
| 6832048 | Dispersion compensation apparatus and a dispersion compensation system | Katsuhiro Shimizu | 2004-12-14 |