Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6813415 | Wavelength multiplexing/demultiplexing apparatus | Terukazu Naruse | 2004-11-02 |
| 6810167 | Wavelength division demultiplexing apparatus | Terukazu Naruse | 2004-10-26 |
| 6807354 | Waveguide optical device | Goji Nakagawa | 2004-10-19 |