Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8068730 | Wavelength division multiplex signal monitoring system and wavelength division multiplex transmission device equipped with the same | Yoshito Kachita, Yasushi Sugaya, Ryosuke Goto | 2011-11-29 |
| 8041047 | Plug, sound inputting and outputting apparatus, and noise cancel system | Ryota Matsumoto, Osamu Koshida, Shinya Yudate | 2011-10-18 |