Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7936993 | Chromatic dispersion compensating apparatus | Hiroki Ooi, Takashi Iwabuchi, Takafumi Terahara, George Ishikawa, Tomoo Takahara | 2011-05-03 |
| 7751706 | Chromatic dispersion compensating apparatus | Hiroki Ooi, Takashi Iwabuchi, Takafumi Terahara, George Ishikawa, Tomoo Takahara | 2010-07-06 |
| 7466920 | Chromatic dispersion compensating apparatus | Hiroki Ooi, Takashi Iwabuchi, Takafumi Terahara, George Ishikawa, Tomoo Takahara | 2008-12-16 |
| 7372622 | Optical transmission system, optical repeater, and optical transmission method | Kentaro Nakamura, Takafumi Terahara, Rainer Hainberger | 2008-05-13 |
| 7307782 | Raman amplifier and optical communication system including the same | Tetsufumi Tsuzaki, Motoki Kakui, Takafumi Terahara | 2007-12-11 |
| 7075709 | Optical transmission system, optical repeater, and optical transmission method | Kentaro Nakamura, Takafumi Terahara, Rainer Hainberger | 2006-07-11 |
| 6941074 | Bidirectionally transmittable optical wavelength division multiplexed transmission system | Kentaro Nakamura, Takafumi Terahara, Rainer Hainberger | 2005-09-06 |
| 6741389 | Optical transmission system and optical transmission method utilizing Raman amplification | Takafumi Terahara | 2004-05-25 |