Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6891867 | Control method and apparatus for stabilizing optical wavelength | — | 2005-05-10 |
| 6873801 | Optical transmitter and optical transmission system using electro absorption modulator | Kazuyoshi Yamaki | 2005-03-29 |