Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6830384 | Optical fiber module | Junichi Hasegawa, Tsunetoshi Saito, Kazuhisa Kashihara | 2004-12-14 |
| 6826332 | Arrayed waveguide grating and its method for correcting center wavelength | Tsunetoshi Saito, Kazuhisa Kashihara, Junichi Hasegawa, Yoshinobu Nekado, Yoshimi Ono | 2004-11-30 |
| 6769817 | Optical fiber module | Tsunetoshi Saito, Junichi Hasegawa, Kazuhisa Kashihara | 2004-08-03 |
| 6735364 | Arrayed waveguide grating optical multiplexer/demultiplexer and method for manufacturing the same | Kazuhisa Kashihara, Kazutaka Nara | 2004-05-11 |