Issued Patents 2002
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6501580 | Method and apparatus for optimizing dispersion in an optical fiber transmission line in accordance with an optical signal power level | Hiroki Ooi, Naoki Kuwata | 2002-12-31 |
| 6456411 | Method of setting signal wavelength in optical transmission system | Hiroki Ooi | 2002-09-24 |
| 6417945 | Optical wavelength multiplex transmission method and optical dispersion compensation method | Hideyuki Miyata, Hiroshi Onaka, Motoyoshi Sekiya, Kazue Okazaki | 2002-07-09 |
| 6411416 | Method and apparatus for minimizing the intensity of a specific frequency component of an optical signal travelling through an optical fiber transmission line to thereby minimize the total dispersion | Hiroki Ooi | 2002-06-25 |
| 6384943 | Optical wavelength multiplex transmission method and optical dispersion compensation method | Hideyuki Miyata, Hiroshi Onaka, Motoyoshi Sekiya, Kazue Okazaki | 2002-05-07 |
| 6362913 | Optical modulation apparatus and method of controlling optical modulator | Hiroki Ooi, Hiroshi Nakamoto, Takuji Yamamoto, Yoshinori Nishizawa | 2002-03-26 |