Inventor
CRANDALL RICHARD E
US35 patents
⚠️ This page may combine multiple inventors who share the name “CRANDALL RICHARD E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
APPLE INC
9 patentsUS7650507B2Jan 19, 2010
Small memory footprint fast elliptic encryption
APPLE INC17 citations92
US7751475B1Jul 6, 2010
Arbitrary-resolution, extreme-quality video codec
APPLE INC8 citations82
US7587047B2Sep 8, 2009
Chaos generator for accumulation of stream entropy
APPLE INC15 citations80
USRE49044EApr 19, 2022
Automatic avatar creation
APPLE INC2 citations71
US7734048B2Jun 8, 2010
Cryptographic system using chaotic dynamics
APPLE INC1 citations63
US7607019B2Oct 20, 2009
Small memory footprint fast elliptic encryption
APPLE INC2 citations62
USRE50538EAug 19, 2025
Automatic avatar creation
APPLE INC0 citations60
US7643693B1Jan 5, 2010
Fast lossless encoder for digitized analog data
APPLE INC1 citations50
US9600857B2Mar 21, 2017
Digital image resampling
APPLE INC0 citations49
NEXT SOFTWARE INC
5 patentsUS5581616ADec 3, 1996
Method and apparatus for digital signature authentication
NEXT SOFTWARE INC108 citations99
US6285760B1Sep 4, 2001
Method and apparatus for digital signature authentication
NEXT SOFTWARE INC25 citations96
US6049610AApr 11, 2000
Method and apparatus for digital signature authentication
NEXT SOFTWARE INC49 citations96
US5805703ASep 8, 1998
Method and apparatus for digital signature authentication
NEXT SOFTWARE INC46 citations96
US6751318B2Jun 15, 2004
Method and apparatus for digital signature authentication
NEXT SOFTWARE INC19 citations92
CRANDALL RICHARD E
4 patentsUS7603560B2Oct 13, 2009
Method and apparatus for digital signature authentication
CRANDALL RICHARD E10 citations91
US8520971B2Aug 27, 2013
Digital image resampling
CRANDALL RICHARD E3 citations58
US8891894B2Nov 18, 2014
Psychovisual image compression
CRANDALL RICHARD E1 citations51
US8655096B2Feb 18, 2014
Automatic image sharpening using entropy-based blur radius
CRANDALL RICHARD E0 citations48
NEXT COMPUTER INC
3 patentsUS5271061ADec 14, 1993
Method and apparatus for public key exchange in a cryptographic system
NEXT COMPUTER INC138 citations99
US5159632AOct 27, 1992
Method and apparatus for public key exchange in a cryptographic system
NEXT COMPUTER INC196 citations99
US5463690AOct 31, 1995
Method and apparatus for public key exchange in a cryptographic system
NEXT COMPUTER INC82 citations97
APPLE COMPUTER
3 patentsUS6154542ANov 28, 2000
Method and apparatus for simultaneously encrypting and compressing data
APPLE COMPUTER94 citations98
US6307935B1Oct 23, 2001
Method and apparatus for fast elliptic encryption with direct embedding
APPLE COMPUTER80 citations95
US7206001B1Apr 17, 2007
Fractal-dithering technique for image display
APPLE COMPUTER27 citations90
APPLIED MATERIALS INC
3 patentsUS6998217B2Feb 14, 2006
Critical dimension edge placement and slope enhancement with central pixel dose addition and modulated inner pixels
APPLIED MATERIALS INC31 citations90
US6701028B1Mar 2, 2004
Method and apparatus for fast signal convolution using spline kernel
APPLIED MATERIALS INC9 citations74
US6912323B2Jun 28, 2005
Method and apparatus for fast signal convolution using separated-spline kernel
APPLIED MATERIALS INC9 citations69