DePue; Marshall Thomas

Patent Applications and Registrations

Patent applications and USPTO patent grants for DePue; Marshall Thomas.The latest application filed is for "eye tracking using optical flow".

Company Profile

0.9.14

DePue; Marshall Thomas - Redmond WA
DePue; Marshall Thomas - San Jose CA
DePue; Marshall Thomas - San Mateo CA
DePue; Marshall Thomas - Issaquah WA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Eye tracking using optical flow Grant 10,013,055 - Perek , et al. July 3, 2	2018-07-03
Eye Tracking Using Optical Flow App 20170131765 - Perek; David R. ; et al.	2017-05-11
Apparatus for classifying a material by analyzing the material's surface, and related systems and method Grant 7,583,821 - Xie , et al. September 1, 2	2009-09-01
Optical device that measures distance between the device and a surface Grant 7,427,981 - DePue , et al. September 23, 2	2008-09-23
Apparatus for controlling the position of a screen pointer with low sensitivity to fixed pattern noise Grant 7,423,633 - Xie , et al. September 9, 2	2008-09-09
Method and system for optically tracking a target using a triangulation technique Grant 7,359,041 - Xie , et al. April 15, 2	2008-04-15
Test system incorporating a field effect transistor sensor App 20080029762 - Schroeder; Dale W. ; et al.	2008-02-07
Subcutaneous tissue imager App 20070038118 - DePue; Marshall Thomas ; et al.	2007-02-15
Optical mouse with replaceable contaminant barrier Grant 7,166,831 - Depue , et al. January 23, 2	2007-01-23
Integrated optical mouse App 20060256086 - Xie; Tong ; et al.	2006-11-16
Method and system for optically tracking a target using interferometric technique Grant 7,078,672 - Xie , et al. July 18, 2	2006-07-18
2 Dimensional laser-based optical printer encoder App 20060132523 - Xie; Tong ; et al.	2006-06-22
Apparatus for classifying a material by analyzing the material's surface, and related systems and method App 20060133650 - Xie; Tong ; et al.	2006-06-22
Optical mouse with replaceable contaminant barrier App 20060043267 - Depue; Marshall Thomas ; et al.	2006-03-02
Apparatus for controlling the position of a screen pointer with low sensitivity to fixed pattern noise App 20060044267 - Xie; Tong ; et al.	2006-03-02
Optical device that measures distance between the device and a surface App 20050231465 - DePue, Marshall Thomas ; et al.	2005-10-20
Method and system for optically tracking a target using an interferometric technique App 20050156100 - Xie, Tong ; et al.	2005-07-21
Optical attenuator using a perturbation element with a multi-mode waveguide Grant 6,868,222 - DePue , et al. March 15, 2	2005-03-15
Method and system for optically tracking a target using a triangulation technique App 20050052635 - Xie, Tong ; et al.	2005-03-10
Fuel cell powered optical navigation device App 20050001819 - DePue, Marshall Thomas ; et al.	2005-01-06
Optical attenuator using a preturbation element with a multi-mode waveguide App 20040001687 - DePue, Marshall Thomas ; et al.	2004-01-01
Method and apparatus for reducing optical insertion loss in planar lightwave circuits through dielectric perturbation optimization Grant 6,668,107 - DePue , et al. December 23, 2	2003-12-23
Method and apparatus for reducing optical insertion loss in planar lightwave circuits through dielectric perturbation optimization App 20030123778 - DePue, Marshall Thomas ; et al.	2003-07-03

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