List of communication hardware patents

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Name	Description	Patent Applicant	Current Assignee	Patent Jurisdiction	Patent Number	Date of Patent
‌ US Patent 7203401 Multiple wavelength optical source	Patent 7203401 was granted and assigned to LightSmyth Technologies, Inc. on April, 2007 by the United States Patent and Trademark Office.		LightSmyth Technologies, Inc.	United States Patent and Trademark Office	7203401	April 10, 2007
‌ US Patent 8169703 Monolithic arrays of diffraction gratings	Patent 8169703 was granted and assigned to LightSmyth Technologies, Inc. on May, 2012 by the United States Patent and Trademark Office.		LightSmyth Technologies, Inc.	United States Patent and Trademark Office	8169703	May 1, 2012
‌ US Patent 9310535 Thermally compensated optical diffraction gratings	Patent 9310535 was granted and assigned to LightSmyth Technologies, Inc. on April, 2016 by the United States Patent and Trademark Office.	LightSmyth Technologies, Inc.	LightSmyth Technologies, Inc.	United States Patent and Trademark Office	9310535	April 12, 2016
‌ US Patent 7054517 Multiple-wavelength optical source	Patent 7054517 was granted and assigned to LightSmyth Technologies, Inc. on May, 2006 by the United States Patent and Trademark Office.		LightSmyth Technologies, Inc.	United States Patent and Trademark Office	7054517	May 30, 2006
‌ US Patent 11543863 Portable electronic device and image-capturing module thereof	Patent 11543863 was granted and assigned to AzureWave Technologies, Inc. on January, 2023 by the United States Patent and Trademark Office.	AzureWave Technologies, Inc.	AzureWave Technologies, Inc.	United States Patent and Trademark Office	11543863	January 3, 2023
‌ US Patent 8456509 Providing presentations in a videoconference	Patent 8456509 was granted and assigned to LifeSize Communications on June, 2013 by the United States Patent and Trademark Office.		LifeSize Communications	United States Patent and Trademark Office	8456509	June 4, 2013
‌ US Patent 7224855 Optical multiplexing device	Patent 7224855 was granted and assigned to LightSmyth Technologies, Inc. on May, 2007 by the United States Patent and Trademark Office.		LightSmyth Technologies, Inc.	United States Patent and Trademark Office	7224855	May 29, 2007
‌ US Patent 7359597 Birefringence control in planar optical waveguides	Patent 7359597 was granted and assigned to LightSmyth Technologies, Inc. on April, 2008 by the United States Patent and Trademark Office.		LightSmyth Technologies, Inc.	United States Patent and Trademark Office	7359597	April 15, 2008
‌ US Patent 7194164 Distributed optical structures with improved diffraction efficiency and/or improved optical coupling	Patent 7194164 was granted and assigned to LightSmyth Technologies, Inc. on March, 2007 by the United States Patent and Trademark Office.		LightSmyth Technologies, Inc.	United States Patent and Trademark Office	7194164	March 20, 2007
‌ US Patent 6993223 Multiple distributed optical structures in a single optical element	Patent 6993223 was granted and assigned to LightSmyth Technologies, Inc. on January, 2006 by the United States Patent and Trademark Office.		LightSmyth Technologies, Inc.	United States Patent and Trademark Office	6993223	January 31, 2006
‌ US Patent 7720236 Updating modeling information based on offline calibration experiments	Patent 7720236 was granted and assigned to LifeSize Communications on May, 2010 by the United States Patent and Trademark Office.		LifeSize Communications	United States Patent and Trademark Office	7720236	May 18, 2010
‌ US Patent 8717404 Recording a videoconference based on recording configurations	Patent 8717404 was granted and assigned to LifeSize Communications on May, 2014 by the United States Patent and Trademark Office.		LifeSize Communications	United States Patent and Trademark Office	8717404	May 6, 2014
‌ US Patent 8165436 Highly efficient optical gratings with reduced thickness requirements and impedance-matching layers	Patent 8165436 was granted and assigned to LightSmyth Technologies, Inc. on April, 2012 by the United States Patent and Trademark Office.		LightSmyth Technologies, Inc.	United States Patent and Trademark Office	8165436	April 24, 2012
‌ US Patent 7327908 Integrated optical sensor incorporating sets of diffractive elements	Patent 7327908 was granted and assigned to LightSmyth Technologies, Inc. on February, 2008 by the United States Patent and Trademark Office.		LightSmyth Technologies, Inc.	United States Patent and Trademark Office	7327908	February 5, 2008
‌ US Patent 7720232 Speakerphone	Patent 7720232 was granted and assigned to LifeSize Communications on May, 2010 by the United States Patent and Trademark Office.		LifeSize Communications	United States Patent and Trademark Office	7720232	May 18, 2010
‌ US Patent 7349599 Etched surface gratings fabricated using computed interference between simulated optical signals and reduction lithography	Patent 7349599 was granted and assigned to LightSmyth Technologies, Inc. on March, 2008 by the United States Patent and Trademark Office.		LightSmyth Technologies, Inc.	United States Patent and Trademark Office	7349599	March 25, 2008
‌ US Patent 8989537 Highly efficient optical gratings with reduced thickness requirements and impedance-matching layers	Patent 8989537 was granted and assigned to LightSmyth Technologies, Inc. on March, 2015 by the United States Patent and Trademark Office.		LightSmyth Technologies, Inc.	United States Patent and Trademark Office	8989537	March 24, 2015
‌ US Patent 7333692 Optical waveguide assembled with an optical subunit having a diffractive element set and an optical component	Patent 7333692 was granted and assigned to LightSmyth Technologies, Inc. on February, 2008 by the United States Patent and Trademark Office.		LightSmyth Technologies, Inc.	United States Patent and Trademark Office	7333692	February 19, 2008
‌ US Patent 7667728 Video and audio conferencing system with spatial audio	Patent 7667728 was granted and assigned to LifeSize Communications on February, 2010 by the United States Patent and Trademark Office.		LifeSize Communications	United States Patent and Trademark Office	7667728	February 23, 2010
‌ US Patent 7991167 Forming beams with nulls directed at noise sources	Patent 7991167 was granted and assigned to LifeSize Communications on August, 2011 by the United States Patent and Trademark Office.		LifeSize Communications	United States Patent and Trademark Office	7991167	August 2, 2011
‌ US Patent 7760887 Updating modeling information based on online data gathering	Patent 7760887 was granted and assigned to LifeSize Communications on July, 2010 by the United States Patent and Trademark Office.		LifeSize Communications	United States Patent and Trademark Office	7760887	July 20, 2010
‌ US Patent 11378867 Portable electronic device and movable lens-shutting module thereof	Patent 11378867 was granted and assigned to AzureWave Technologies, Inc. on July, 2022 by the United States Patent and Trademark Office.	AzureWave Technologies, Inc.	AzureWave Technologies, Inc.	United States Patent and Trademark Office	11378867	July 5, 2022
‌ US Patent 7190859 Distributed optical structures in a planar waveguide coupling in-plane and out-of-plane optical signals	Patent 7190859 was granted and assigned to LightSmyth Technologies, Inc. on March, 2007 by the United States Patent and Trademark Office.		LightSmyth Technologies, Inc.	United States Patent and Trademark Office	7190859	March 13, 2007
‌ US Patent 7903137 Videoconferencing echo cancellers	Patent 7903137 was granted and assigned to LifeSize Communications on March, 2011 by the United States Patent and Trademark Office.		LifeSize Communications	United States Patent and Trademark Office	7903137	March 8, 2011
‌ US Patent 7123794 Distributed optical structures designed by computed interference between simulated optical signals	Patent 7123794 was granted and assigned to LightSmyth Technologies, Inc. on October, 2006 by the United States Patent and Trademark Office.		LightSmyth Technologies, Inc.	United States Patent and Trademark Office	7123794	October 17, 2006

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