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United States Utility Patents
6,778,570 - 6,778,579

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NumberTitle
6,778,570 Laser driving apparatus and method
6,778,571 Laser driver circuit
6,778,572 Electrode structure, process for fabricating electrode structure and semiconductor light-emitting device
6,778,573 Fundamental-transverse-mode index-guided semiconductor laser device having upper optical waveguide layer thinner than lower optical waveguide layer
6,778,574 Semiconductor laser device and its manufacturing method, and optical communication system and optical sensor system
6,778,575 AlGaInP-based high-output red semiconductor laser device
6,778,576 Encapsulated illumination unit
6,778,577 Semiconductor laser
6,778,578 Multi-wavelength surface emitting laser and method for manufacturing the same
6,778,579 Solid-state laser compensated for pumping-light astigmatism



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