Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8059966 | Wavelength division multiplex optical regeneration system and wavelength division multiplex optical regeneration method | Koji Igarashi, Shunichi Matsushita, Shu Namiki, Shigehiro Takasaka, Takashi Inoue +1 more | 2011-11-15 |
| 7113326 | Optical fiber wavelength converter | Masanori Takahashi, Jiro Hiroishi | 2006-09-26 |