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  • Fujitsu Files Patent Suit Against Tellabs
Jan 2008
Fujitsu Ltd. and Fujitsu Network Communications Inc. filed a lawsuit Tuesday against Tellabs Inc. and Tellabs Operations Inc. in the US District Court in the Eastern District of Texas claiming Tellabs’ products infringe four US patents covering optical communication technologies. The products allegedly in question include the Tellabs 7100 Optical Transport System, Tellabs 5500 series and Tellabs 6300 series.

The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
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