Patents

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o Scharf, Zhang and Wilfong, Sparsification of pairwise cost information.
U.S. Patent #9,667,499 issued 05/30/2017.

o Kennedy, Kolesnikov and Wilfong, Secure function evaluation of tree circuits.
U.S. Patent #9,614,677 issued 04/04/2017.

o Scharf, Voith, Stein, Zhang and Wilfong, Policy enforcement in a topology abstraction system.
U.S. Patent #9,507,932 issued 11/29/2016.

o Kolesnikov and Wilfong, Anonymization of streaming data.
U.S. Patent #9,361,480 issued 06/07/2016.

o Shepherd and Wilfong, Methods and apparatus for routing using bifurcated network flows.
U.S. Patent #9,276,842 issued 03/01/2016.

o Doerr and Wilfong, Undirected cross connects based on wavelength-selective switches.
U.S. Patent #9,100,280 issued 08/04/2015.

o Koppol, Namjoshi, Stathopoulos, and Wilfong, Method and apparatus for synchronization in primary-backup replication schemes.
U.S. Patent #8,868,862 issued 10/21/2014.

o Koppol, Namjoshi, Stathopoulos, and Wilfong, Time-preserved transmissions in asynchronous virtual machine replication.
U.S. Patent #8,798,086 issued 08/05/2014.

o Nuzman, Mitra, Saniee and Wilfong, Optical telecommunications network and method.
U.S. Patent #8,055,134 issued 11/08/2011.

o Fortune, Wilfong, Zhao and El-Sayed, Network design method.
U.S. Patent #7,994,859 issued 05/17/2011.

o Doerr and Wilfong, Undirected cross connects based on wavelength-selective switches.
U.S. Patent #7,801,156 issued 09/21/2010.

o Haxell, Wilfong and Winkler, Time-domain wavelength interleaved network with communications via hub node.
U.S. Patent #7,720,382 issued 05/18/2010.

o Doerr and Wilfong, Multiple port symmetric transmissive wavelength-selective mesh node.
U.S. Patent #7,653,306 issued 01/16/2010.

o Nuzman and Wilfong, Method and apparatus for grooming traffic demands according to mileage based tariffs.
U.S. Patent #7,486,682 issued 02/03/2009.

o Lee, Narlikar, Wilfong and Zhang, Method and apparatus for scheduling data packet transmission over a multihop wireless backhaul network.
U.S. Patent #7,366,178 issued 04/29/2008.

o Rasala and Wilfong, Wide-sense wavelength division multiplexed (WDM) cross-connect device.
U.S. Patent #7,194,207 issued 03/20/2007.

o Basu, Ong, Rasala, Shepherd and Wilfong, Method and apparatus for exchanging routing information within an autonomous system in a packet-based data network.
U.S. Patent #7,180,864 issued 02/20/2007.

o Hu, Kashi, Lopresti and Wilfong, Method for identifying and using table structures.
U.S. Patent #7,054,871 issued 05/30/2006.

o Griffin and Wilfong, Method and apparatus for exchanging routing information in a packet-based data network.
U.S. Patent #6,728,779 issued 04/27/2004.

o Hu, Kashi and Wilfong, Method for document comparison and classification using document image.
U.S. Patent #6,542,635 issued 04/01/2003.

o Rasala and Wilfong, Strictly non-blocking wavelength division multiplexed (WDM) cross-connect device.
U.S. Patent #6,535,310 issued 03/18/2003.

o Doerr, Mikkelsen, Wilfong and Zirngibl, Wavelength selective cross-connect with reduced complexity.
U.S. Patent #6,532,090 issued 03/11/2003.

o Rasala and Wilfong, Strictly non-blocking wavelength division multiplexed (WDM) cross-connect device for use in a heterogeneous network.
U.S. Patent #6,487,332 issued 11/26/2002.

o Hu, Kashi and Wilfong, Method for comparing object ranging schemes.
U.S. Patent #6,408,093 issued 06/18/2002.

o Wilfong and Winkler, Routing method for ring networks, such as WDM ring networks for optical communication.
U.S. Patent #6,381,046 issued 04/30/2002.

o Wilfong, Method and apparatus for secure PIN entry.
U.S. Patent #5,940,511 issued 08/17/99.

o Kashi, Nelson and Wilfong, Method and apparatus for verifying static signatures using dynamic information.
U.S. Patent #5,930,380 issued 07/27/99.

o Wilfong, Validation stamps for electronic signatures.
U.S. Patent #5,898,156 issued 04/27/99.

o Wilfong and Ruedisueli, System and method for processing and managing electronic copies of handwritten notes.
U.S. Patent #5,838,819 issued 11/17/98.

o Wilfong, Method and apparatus for secure PIN entry.
U.S. Patent #5,754,652 issued 05/19/98.

o Sinden and Wilfong, Method of normalizing handwritten symbols.
U.S. Patent #5,537,489 issued 07/16/96.

o Sinden and Wilfong, Method of recognizing handwritten symbols.
U.S. Patent #5,333,209 issued 07/26/94.

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last updated 2016