Inventor · disambiguated record
Richard E. Crandall
Also filed as: CRANDALL RICHARD · CRANDALL RICHARD E · CRANDALL RICHARD EUGENE
54 granted patents·3 pending applications·1,773 citations·filing 1974–2022
99Inventor score
Top patents by PatentIndex Score
57 records- 0197US8692830B2Automatic avatar creationNELSON ALEX TREMAIN·Filed 2010·Granted Apr 8, 2014·461 cites·20 claims
- 0294US8484236B1Method and/or system for processing data streamsANDREWS MARK·Filed 2007·Granted Jul 9, 2013·38 cites·77 claims
- 0394US5271061AMethod and apparatus for public key exchange in a cryptographic systemNEXT COMPUTER INC·Filed 1992·Granted Dec 14, 1993·138 cites·19 claims
- 0492US6154542AMethod and apparatus for simultaneously encrypting and compressing dataAPPLE COMPUTER·Filed 1997·Granted Nov 28, 2000·94 cites·23 claims
- 0591US5581616AMethod and apparatus for digital signature authenticationNEXT SOFTWARE INC·Filed 1995·Granted Dec 3, 1996·108 cites·1 claims
- 0691US5159632AMethod and apparatus for public key exchange in a cryptographic systemNEXT COMPUTER INC·Filed 1991·Granted Oct 27, 1992·196 cites·12 claims
- 0789US8213389B2Location determination using formulaBUSH JEFFREY ALAN·Filed 2008·Granted Jul 3, 2012·34 cites·22 claims
- 0889US5463690AMethod and apparatus for public key exchange in a cryptographic systemNEXT COMPUTER INC·Filed 1993·Granted Oct 31, 1995·82 cites·29 claims
- 0988US7650507B2Small memory footprint fast elliptic encryptionAPPLE INC·Filed 2009·Granted Jan 19, 2010·17 cites·22 claims
- 1087US7487346B2Techniques and graphical user interfaces for categorical shuffleAPPLE INC·Filed 2006·Granted Feb 3, 2009·5 cites·18 claims
- 1186US7587047B2Chaos generator for accumulation of stream entropyAPPLE INC·Filed 2005·Granted Sep 8, 2009·15 cites·29 claims
- 1286US6998217B2Critical dimension edge placement and slope enhancement with central pixel dose addition and modulated inner pixelsAPPLIED MATERIALS INC·Filed 2003·Granted Feb 14, 2006·31 cites·18 claims
- 1385US6285760B1Method and apparatus for digital signature authenticationNEXT SOFTWARE INC·Filed 2000·Granted Sep 4, 2001·25 cites·15 claims
- 1484US7206001B1Fractal-dithering technique for image displayAPPLE COMPUTER·Filed 2004·Granted Apr 17, 2007·27 cites·6 claims
- 1583US6751318B2Method and apparatus for digital signature authenticationNEXT SOFTWARE INC·Filed 2001·Granted Jun 15, 2004·19 cites·20 claims
- 1682US8514816B2Location determination using formulaBUSH JEFFREY ALAN·Filed 2012·Granted Aug 20, 2013·9 cites·28 claims
- 1780US4321592AMultiple sensor intrusion detection systemAMERICAN DISTRICT TELEGRAPH CO·Filed 1978·Granted Mar 23, 1982·29 cites·9 claims
- 1878US5805703AMethod and apparatus for digital signature authenticationNEXT SOFTWARE INC·Filed 1996·Granted Sep 8, 1998·46 cites·27 claims
- 1977US8099591B2Techniques and graphical user interfaces for categorical shuffleCRANDALL RICHARD·Filed 2008·Granted Jan 17, 2012·2 cites·22 claims
- 2077US6307935B1Method and apparatus for fast elliptic encryption with direct embeddingAPPLE COMPUTER·Filed 1997·Granted Oct 23, 2001·80 cites·14 claims
- 2176USRE49044EAutomatic avatar creationAPPLE INC·Filed 2018·Granted Apr 19, 2022·2 cites·53 claims
- 2275US6049610AMethod and apparatus for digital signature authenticationNEXT SOFTWARE INC·Filed 1998·Granted Apr 11, 2000·49 cites·18 claims
- 2374US8335914B2Techniques and graphical user interfaces for categorical shuffleCRANDALL RICHARD·Filed 2012·Granted Dec 18, 2012·2 cites·23 claims
- 2474US6587563B1Cryptographic system using chaotic dynamicsAPPLE COMPUTER·Filed 1997·Granted Jul 1, 2003·63 cites·15 claims
- 2572USRE50538EAutomatic avatar creationAPPLE INC·Filed 2022·Granted Aug 19, 2025·0 cites·38 claims
- 2672US7603560B2Method and apparatus for digital signature authenticationCRANDALL RICHARD E·Filed 2004·Granted Oct 13, 2009·10 cites·6 claims
- 2771US8520971B2Digital image resamplingCRANDALL RICHARD E·Filed 2010·Granted Aug 27, 2013·3 cites·34 claims
- 2870US7751475B1Arbitrary-resolution, extreme-quality video codecAPPLE INC·Filed 2004·Granted Jul 6, 2010·8 cites·28 claims
- 2970US4406426ASecrecy-coded cassetteCRANDALL RICHARD·Filed 1981·Granted Sep 27, 1983·10 cites·12 claims
- 3070US4048620ACentral station to addressed point communication systemKINNEY SAFETY SYSTEMS INC·Filed 1974·Granted Sep 13, 1977·19 cites·18 claims
- 3167US8073893B1Method and/or system for comparing character expressionsCRANDALL RICHARD·Filed 2006·Granted Dec 6, 2011·3 cites·84 claims
- 3266US8891894B2Psychovisual image compressionCRANDALL RICHARD E·Filed 2011·Granted Nov 18, 2014·1 cites·14 claims
- 3365US9473780B2Video transmission using content-based frame searchNELSON ALEX TREMAIN·Filed 2012·Granted Oct 18, 2016·1 cites·21 claims
- 3465US7711666B1Reduction of memory usage for prime number storage by using a table of differences between a closed form numerical function and prime numbers which bounds a prime numeral between two index valuesCRANDALL RICHARD·Filed 2006·Granted May 4, 2010·6 cites·56 claims
- 3565US6701028B1Method and apparatus for fast signal convolution using spline kernelAPPLIED MATERIALS INC·Filed 2000·Granted Mar 2, 2004·9 cites·69 claims
- 3663US9787471B1Data enciphering or deciphering using a hierarchical assignment systemGESLEY MARK·Filed 2006·Granted Oct 10, 2017·3 cites·93 claims
- 3763US8751557B2Method and/or system for comparing character expressionsCRANDALL RICHARD·Filed 2011·Granted Jun 10, 2014·1 cites·25 claims
- 3863US7607019B2Small memory footprint fast elliptic encryptionAPPLE INC·Filed 2005·Granted Oct 20, 2009·2 cites·22 claims
- 3963US4922925AComputer based upper extremity evaluation systemUNIV WASHINGTON·Filed 1989·Granted May 8, 1990·77 cites·15 claims
- 4062US7734048B2Cryptographic system using chaotic dynamicsAPPLE INC·Filed 2005·Granted Jun 8, 2010·1 cites·21 claims
- 4162US2020097473A1Method and/or system for processing data streamsROBERT T AND VIRGINIA T JENKINS AS TRUSTEES OF THE JENKINS FAMILY TRUST DATED FEB 8 2002·Filed 2019·Application pending·0 cites
- 4259US6912323B2Method and apparatus for fast signal convolution using separated-spline kernelAPPLIED MATERIALS INC·Filed 2001·Granted Jun 28, 2005·9 cites·36 claims
- 4356US6898287B2Cryptographic system using chaotic dynamicsAPPLE COMPUTER·Filed 2002·Granted May 24, 2005·2 cites·15 claims
- 4455US8010473B2Prime indexing and/or other related operationsROBERT T AND VIRGINIA T JENKINS·Filed 2009·Granted Aug 30, 2011·3 cites·70 claims
- 4554US10430416B2Method and/or system for processing data streamsROBERT T AND VIRGINIA T JENKINS AS TRUSTEES FOR THE JENKINS FAMILY TRUST·Filed 2013·Granted Oct 1, 2019·0 cites·37 claims
- 4654US6433707B1Universal lossless compressor for digitized analog dataPIXAR ANIMATION STUDIOS·Filed 1999·Granted Aug 13, 2002·15 cites·8 claims
- 4753US7643693B1Fast lossless encoder for digitized analog dataAPPLE INC·Filed 2004·Granted Jan 5, 2010·1 cites·30 claims
- 4852US9600857B2Digital image resamplingAPPLE INC·Filed 2013·Granted Mar 21, 2017·0 cites·17 claims
- 4952US8948513B2Blurring based content recognizerVAN DER MERWE RUDOLPH·Filed 2009·Granted Feb 3, 2015·0 cites·24 claims
- 5051US10917232B1Data enciphering or deciphering using a hierarchical assignment systemROBERT T AND VIRGINIA T JENKINS AS TRUSTEES OF THE JENKINS FAMILY TRUST DATED FEB 8 2002·Filed 2017·Granted Feb 9, 2021·0 cites·23 claims
Showing the top 50 of 57 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →