Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6928206 | Wavelength division multiplex optical switch | Yuichi Sawai, Takao Ishikawa, Takashi Naito | 2005-08-09 |
| 6900927 | Non-linear optical thin film, non-linear optical device using the same, and optical switch using the same | Yuichi Sawai, Hideto Momose, Hiroyuki Akata, Takashi Naito | 2005-05-31 |
| 6870983 | Optical switch, element therefor, and optical switching method | Hideto Momose, Yuuichi Sawai, Takashi Naitou, Hiroyuki Akata, Tsukasa Ookawa | 2005-03-22 |