Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6668116 | Arrayed waveguide grating type optical multiplexer/demultiplexer | Kazuhisa Kashihara, Kazutaka Nara, Tunetoshi Saito | 2003-12-23 |
| 6668117 | Arrayed waveguide grating optical multiplexer demultiplexer | Junichi Hasegawa, Atsushi Hi Raizumi, Tsunetoshi Saito | 2003-12-23 |
| 6584270 | Fixed component and optical component employing the same | Kazuhisa Kashihara, Kanji Tanaka | 2003-06-24 |