Inventor · disambiguated record
David E. Penna
Also filed as: PENNA DAVID · PENNA DAVID E · PENNA DAVID EDWARD
23 granted patents·4 pending applications·870 citations·filing 1975–2009
97Inventor score
Files withPHILIPS CORP15KONINKL PHILIPS ELECTRONICS NV5PENNA DAVID E2KONINKLIKLIJKE PHILIPS ELECTRO1MILLER RICHARD M1
Top patents by PatentIndex Score
27 records- 0195US4712191ADisplay system with nested information displayPHILIPS CORP·Filed 1983·Granted Dec 8, 1987·156 cites·13 claims
- 0294US6842124B2Variable length decoderKONINKL PHILIPS ELECTRONICS NV·Filed 2002·Granted Jan 11, 2005·72 cites·21 claims
- 0392US7619560B2GPS processing arrangementNXP BV·Filed 2006·Granted Nov 17, 2009·84 cites·9 claims
- 0492US4779080AElectronic information display systemsPHILIPS CORP·Filed 1986·Granted Oct 18, 1988·86 cites·9 claims
- 0590US4649380AVideo display system comprising an index store for storing reduced versions of pictures to be displayedPHILIPS CORP·Filed 1984·Granted Mar 10, 1987·70 cites·5 claims
- 0676US8068545B2Method and apparatus for processing image dataPENNA DAVID E·Filed 2004·Granted Nov 29, 2011·20 cites·52 claims
- 0776US4023124AAcoustic surface wave devicesPHILIPS CORP·Filed 1975·Granted May 10, 1977·18 cites·18 claims
- 0875US6498606B1Z-buffering graphics systemKONINKL PHILIPS ELECTRONICS NV·Filed 2000·Granted Dec 24, 2002·26 cites·14 claims
- 0974US4992780AMethod and apparatus for storing a two-dimensional image representing a three-dimensional scenePHILIPS CORP·Filed 1988·Granted Feb 12, 1991·50 cites·17 claims
- 1073US6574364B1Pixel color value encoding and decodingKONINKL PHILIPS ELECTRONICS NV·Filed 1999·Granted Jun 3, 2003·57 cites·9 claims
- 1173US5991443AGraphics image manipulationPHILIPS CORP·Filed 1996·Granted Nov 23, 1999·46 cites·16 claims
- 1271US6243488B1Method and apparatus for rendering a two dimensional image from three dimensional image dataPHILIPS CORP·Filed 1996·Granted Jun 5, 2001·51 cites·26 claims
- 1364US5905503ARendering an image using lookup tables giving illumination values for each light source by direction and distancePHILIPS CORP·Filed 1996·Granted May 18, 1999·37 cites·12 claims
- 1456US6301389B1Video image color encodingPHILIPS CORP·Filed 1996·Granted Oct 9, 2001·21 cites·20 claims
- 1548US8035617B2Portable computer deviceKONINKL PHILIPS ELECTRONICS NV·Filed 2003·Granted Oct 11, 2011·6 cites·12 claims
- 1647US5828381AVariable display rate image codingPHILIPS CORP·Filed 1995·Granted Oct 27, 1998·12 cites·13 claims
- 1747US5784064AImage processingPHILIPS CORP·Filed 1997·Granted Jul 21, 1998·16 cites·18 claims
- 1845US8717236B2Position signal sampling method and apparatusSTREET NICHOLAS·Filed 2009·Granted May 6, 2014·2 cites·15 claims
- 1945US2006015503A1Location tracking of portable devices in a wireless networkSIMONS PAUL R·Filed 2003·Application pending·0 cites
- 2044US5838332AGraphic image renderingPHILIPS CORP·Filed 1996·Granted Nov 17, 1998·15 cites·8 claims
- 2144US2007073795A1Method and apparatus for calculating an inverse dctMILLER RICHARD M·Filed 2004·Application pending·0 cites
- 2244US2006109384A1Power management in appliancesKONINKLIKLIJKE PHILIPS ELECTRO·Filed 2003·Application pending·0 cites
- 2343US8897710B2TerminalPENNA DAVID E·Filed 2003·Granted Nov 25, 2014·0 cites·12 claims
- 2442US5317684AMethod of storing character data in a display devicePHILIPS CORP·Filed 1992·Granted May 31, 1994·9 cites·8 claims
- 2541US2007070978A1Accessing content at a geographical locationKONINKL PHILIPS ELECTRONICS NV·Filed 2004·Application pending·0 cites
- 2640US6222556B1Fast processing of image primitivesPHILIPS CORP·Filed 1998·Granted Apr 24, 2001·10 cites·11 claims
- 2739US5867143ADigital image codingPHILIPS CORP·Filed 1995·Granted Feb 2, 1999·6 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →