Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
DC

David J. Cowperthwaite

INIntel: 34 patents #1,045 of 30,777Top 4%
ISIdelix Software: 6 patents #3 of 17Top 20%
NLNoregin Assets N.V., L.L.C.: 1 patents #13 of 18Top 75%
Portland, OR: #443 of 9,213 inventorsTop 5%
Oregon: #906 of 28,073 inventorsTop 4%
Overall (All Time): #75,766 of 4,157,543Top 2%
41 Patents All Time

Issued Patents All Time

Showing 26–41 of 41 patents

Patent #TitleCo-InventorsDate
8966477 Combined virtual graphics device Shanwei Cen, Raman Srinivasan 2015-02-24
8856781 Method and apparatus for supporting assignment of devices of virtual machines Philip R. Lantz 2014-10-07
8335349 Method and apparatus for three-dimensional tracking of infra-red beacons Bradford H. Needhan 2012-12-18
RE43742 Method and system for enhanced detail-in-context viewing David Baar, Mark H. A. Tigges 2012-10-16
7971203 Method, apparatus and system for dynamically reassigning a physical device from one virtual machine to another Philip R. Lantz, Michael A. Goldsmith 2011-06-28
7809161 Method and apparatus for three-dimensional tracking of infra-red beacons Bradford H. Needhan 2010-10-05
7644407 Method, apparatus and system for seamlessly sharing a graphics device amongst virtual machines Michael A. Goldsmith, Kiran S. Panesar 2010-01-05
7454756 Method, apparatus and system for seamlessly sharing devices amongst virtual machines Philip R. Lantz, Michael A. Goldsmith, Kiran S. Panesar 2008-11-18
7340677 Methods and apparatuses of presenting categorical programs in progressive levels of content details 2008-03-04
7310441 Method and apparatus for three-dimensional tracking of infra-red beacons Bradford H. Needham 2007-12-18
7283141 Method and system for enhanced detail-in-context viewing David Baar, Mark H. A. Tigges 2007-10-16
7280105 Occlusion reducing transformations for three-dimensional detail-in-context viewing 2007-10-09
7256801 Elastic presentation space David Baar, M. Sheelagh T. Carpendale, Mark H. A. Tigges, Robert Komar, Jerome Bauer 2007-08-14
7106349 Method and system for enhanced detail-in-context viewing David Baar, Mark H. A. Tigges 2006-09-12
6798412 Occlusion reducing transformations for three-dimensional detail-in-context viewing 2004-09-28
6768497 Elastic presentation space David Baar, M. Sheelagh T. Carpendale, Mark H. A. Tigges, Robert Komar, Jerome Bauer 2004-07-27