Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7917033 | Wavelength-multiplexing optical transmission system and wavelength-multiplexing optical transmission method | Tomoyuki Sakata, Akira Yamamoto, Kouji Tanonaka | 2011-03-29 |