Issued Patents All Time
Showing 1–4 of 4 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 |
| 6229832 | Optical wavelength stability control apparatus, optical transmitter and multiple wavelength transmitter | Naohiko Baba, Akihiro Hayami, Tadashi Hatano, Yasuhiro Yamada, Norio Chujo | 2001-05-08 |
| 6212210 | Control method and apparatus for stabilizing optical wavelength | — | 2001-04-03 |