DH

David Holmgren

SU Smart Technologies Ulc: 17 patents #3 of 198Top 2%
ST Smart Technologies: 2 patents #5 of 32Top 20%
NU Nureva: 1 patents #13 of 24Top 55%
Overall (All Time): #216,030 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12356146 System for dynamically determining the location of and calibration of spatially placed transducers for the purpose of forming a single physical microphone array Aleksander Radisavljevic, Kael Blais, Zhengyin Wang 2025-07-08
10228771 System and method of pointer detection for interactive input Gerald Dale Morrison, Clinton Lam 2019-03-12
9658702 System and method of object recognition for an interactive input system Daniel P. McReynolds 2017-05-23
9360966 Method for generally continuously calibrating an interactive input system Daniel P. McReynolds, Grant Howard McGibney 2016-06-07
9329700 Interactive system with successively activated illumination sources Grant Howard McGibney, Lawrence Bruce Hewitt 2016-05-03
9207812 Interactive input system and method Robbie Rattray, Grant Howard McGibney, Rob Barton, Cameron Taylor, Peter Shivkumar +5 more 2015-12-08
9176627 Camera-based touch system Gerald Dale Morrison 2015-11-03
8872772 Interactive input system and pen tool therefor Sean Thompson, Grant Howard McGibney 2014-10-28
8692768 Interactive input system Alex Chtchetinine, Brinda Kabada, Grant Howard McGibney, Daniel P. McReynolds, Yun Bo Zhang +1 more 2014-04-08
8600107 Interactive input system and method 2013-12-03
8576172 Pointer tracking across multiple overlapping coordinate input sub-regions defining a generally contiguous input region Douglas B. Hill, Scott Su 2013-11-05
8456451 System and method for differentiating between pointers used to contact touch surface Gerald Dale Morrison 2013-06-04
8089462 Pointer tracking across multiple overlapping coordinate input sub-regions defining a generally contiguous input region Douglas B. Hill, Scott Su 2012-01-03
7984995 Method and apparatus for inhibiting a subject's eyes from being exposed to projected light Gerald Dale Morrison, Yunqiu (Rachel) Wang, Brian Howse, Alex Chtchetinine, Gregory Forrest 2011-07-26
7692625 Camera-based touch system Gerald Dale Morrison 2010-04-06
7686460 Method and apparatus for inhibiting a subject's eyes from being exposed to projected light Erik Benner 2010-03-30
7532206 System and method for differentiating between pointers used to contact touch surface Gerald Dale Morrison 2009-05-12
7492357 Apparatus and method for detecting a pointer relative to a touch surface Gerald Dale Morrison 2009-02-17
7355593 Pointer tracking across multiple overlapping coordinate input sub-regions defining a generally contiguous input region Douglas B. Hill, Scott Su 2008-04-08
6919880 Calibrating camera offsets to facilitate object position determination using triangulation Gerald Dale Morrison 2005-07-19