Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6975811 | Optical one-to-one protection switching apparatus | Sunao Kakizaki, Hideaki Tsushima, Takashi Mori, Masahiro Takatori, Yukio Hayashi | 2005-12-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6975811 | Optical one-to-one protection switching apparatus | Sunao Kakizaki, Hideaki Tsushima, Takashi Mori, Masahiro Takatori, Yukio Hayashi | 2005-12-13 |