Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6490395 | Arrayed waveguide grating and method for compensating optical transmitting center wavelength of light traveling through the same | Kazutaka Nara, Takeshi Nakajima, Kazuhisa Kashihara | 2002-12-03 |
| 6445853 | Arrayed waveguide grating | Kazuhisa Kashihara, Takeshi Nakajima | 2002-09-03 |
| 6415071 | Optical wavelength multiplexed transmission module, and wavelength multiplexed transmission system using the same | Toshihiko Ota | 2002-07-02 |
| 6377723 | Optical waveguide circuit, and method for compensating the light transmission wavelength | Toshihiko Ohta | 2002-04-23 |