Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6876480 | Farady rotation device and optical device comprising it | Teruhisa Sahashi, Hidenori Nakada, Hirotaka Kawai, Tsugio Tokumasu | 2005-04-05 |
| 6870675 | Variable optical attenuator | Keisuke Ikeda, Shohei Abe, Yuko Ota, Ikuo Maeda | 2005-03-22 |