Issued Patents 2002
Showing 1–4 of 4 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 | George Ishikawa, Naoki Kuwata | 2002-12-31 |
| 6456411 | Method of setting signal wavelength in optical transmission system | George Ishikawa | 2002-09-24 |
| 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 | George Ishikawa | 2002-06-25 |
| 6362913 | Optical modulation apparatus and method of controlling optical modulator | Hiroshi Nakamoto, George Ishikawa, Takuji Yamamoto, Yoshinori Nishizawa | 2002-03-26 |