Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6788865 | Polarization maintaining optical fiber with improved polarization maintaining property | Katsunari Okamoto | 2004-09-07 |
| 6720548 | Optical sampling waveform measuring apparatus aiming at achieving wider band | Akihito Otani, Toshinobu Otsubo, Hidehiko Takara, Ippei Shake | 2004-04-13 |
| 6697395 | Sum frequency light generation method and sum frequency light generation apparatus adapatble for wide-band wavelength conversion | Akihito Otani, Toshinobu Otsubo, Hidehiko Takara, Ippei Shake | 2004-02-24 |