Issued Patents 2005
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6941074 | Bidirectionally transmittable optical wavelength division multiplexed transmission system | Kentaro Nakamura, Junichi Kumasako, Rainer Hainberger | 2005-09-06 |
| 6934454 | Distributed optical amplifying apparatus, optical communication station, optical communication system, and optical fiber cable | Rainer Hainberger, Takeshi Hoshida | 2005-08-23 |
| 6885499 | Optical amplifying apparatus for amplifying wide-wavelength-band light, optical sending apparatus, optical transmission system, and optical amplifying method | Takeshi Hoshida | 2005-04-26 |
| 6862134 | Distributed optical amplifier, amplifying method, and optical communication system | Takeshi Hoshida | 2005-03-01 |
| 6856453 | Control scheme for long wavelength channels in wideband WDM optical fiber transmission system | Rainer Hainberger | 2005-02-15 |