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

Steven M. Penn — 54 Patents

TITexas Instruments: 53 patents #123 of 12,488Top 1%
ALAllis-Chalmers: 1 patents #89 of 232Top 40%
Plano, TX: #82 of 4,842 inventorsTop 2%
Texas: #1,469 of 125,132 inventorsTop 2%
Overall (All Time): #47,759 of 4,157,543Top 2%
54 Patents All Time

Issued Patents All Time

Showing 26–50 of 54 patents

Patent #TitleCo-InventorsDate
7252391 Method of producing an image Duane Scott Dewald, Michael T. Davis 2007-08-07
7232224 Simultaneous color illumination 2007-06-19
7230656 Sequential color filter Michael T. Davis 2007-06-12
7216990 Integrated lamp and aperture alignment method and system Steven Edward Smith 2007-05-15
7207678 Prism for high contrast projection 2007-04-24
7194169 Notched adjustable aperture Roger M. Ikeda 2007-03-20
7182469 High contrast projection D. Scott Dewald, Dana J. Segler, Jr. 2007-02-27
7118225 Illumination system 2006-10-10
7118226 Sequential color recapture for image display systems Michael T. Davis 2006-10-10
7066605 Color recapture for display systems Duane Scott Dewald, Michael T. Davis 2006-06-27
6961194 Integrated TIR prism and lens element 2005-11-01
6959990 Prism for high contrast projection 2005-11-01
6908197 Prism with angular filter 2005-06-21
6880935 TIR prism arrangement and optics for providing an undistorted illumination image Duane Scott Dewald 2005-04-19
6879451 Neutral density color filters Gregory J. Hewlett, Greg S. Pettitt, Dana F. Segler, Jr. 2005-04-12
6863401 Illumination system 2005-03-08
6857751 Adaptive illumination modulator Duane Scott Dewald, Terry Alan Bartlett 2005-02-22
6856464 Color splitting apparatus and method with unequal glass path lengths Frank J. Poradish 2005-02-15
6824275 Folded projection lens 2004-11-30
6771325 Color recapture for display systems Duane Scott Dewald, Michael T. Davis 2004-08-03
6637894 High contrast projection D. Scott Dewald, Dana J. Segler, Jr. 2003-10-28
6469821 Micromirror structures for orthogonal illumination Terry Alan Bartlett 2002-10-22
6249387 Stable enhanced contrast optical system for high resolution displays Frank J. Poradish, Duane Scott Dewald 2001-06-19
6175422 Method and apparatus for the computer-controlled manufacture of three-dimensional objects from computer data David N. Jones, Michael E. Embree 2001-01-16
6169605 Method and apparatus for the computer-controlled manufacture of three-dimensional objects from computer data David N. Jones, Michael E. Embree 2001-01-02