Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6931165 | Variable polarization plane rotator and optical device using same | Nobuaki Mitamura, Kazuaki Akimoto | 2005-08-16 |
| 6867895 | Faraday rotator | — | 2005-03-15 |
| 6862126 | TRANSMISSION WAVELENGTH CHARACTERISTICS VARIABLE OPTICAL ELEMENT, AND WAVELENGTH CHARACTERISTICS VARIABLE APPARATUS, OPTICAL AMPLIFIER, OPTICAL TRANSMISSION SYSTEM, AND CONTROL METHOD OF TRANSMISSION WAVELENGTH CHARACTERISTICS, USING SAME | Takashi Ishiwada, Hirotomo Izumi, Nobuaki Mitamura | 2005-03-01 |