Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6957006 | Optical element and optical device using the same | Hayami Hosokawa, Yasunari Kitajima, Toshifumi Sumino, Yoshihisa Ishida | 2005-10-18 |
| 6950588 | Optical wave guide, an optical component and an optical switch | Hayami Hosokawa | 2005-09-27 |
| 6904221 | Optical device, and optical transceiver and other optical apparatuses using the optical device | Naru Yasuda, Hayami Hosokawa | 2005-06-07 |