Issued Patents 2005
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6947630 | Control method and control apparatus for variable wavelength optical filter | Yutaka Kai, Isao Tsuyama | 2005-09-20 |
| 6934433 | Control method and control apparatus of optical device | Hiroshi Onaka, Tadao Nakazawa, Yutaka Kai, Hiroshi Miyata, Yoichi Takasu +1 more | 2005-08-23 |
| 6930824 | Optical amplifier which compensates for dispersion of a WDM optical signal | George Ishikawa, Hiroshi Onaka, Motoyoshi Sekiya, Kazue Otsuka | 2005-08-16 |
| 6925214 | Connecting method of optical function devices, and optical apparatus | Yoshihiko Kaitoh, Tadao Nakazawa, Masaharu Doi | 2005-08-02 |
| 6917732 | Connecting method of optical function devices, and optical apparatus | Yoshihiko Kaitoh, Tadao Nakazawa, Masaharu Doi | 2005-07-12 |
| 6895141 | Control method and device for optical filter, and optical node device | Yutaka Kai, Isao Tsuyama | 2005-05-17 |
| 6870972 | Connecting method of optical devices, and optical apparatus | Yoshihiko Kaitoh, Tadao Nakazawa | 2005-03-22 |