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Raphael Linus Levien
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Berkeley, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Maintaining state of document concurrently edited by two computing...
Patent number
10,095,674
Issue date
Oct 9, 2018
Google LLC
Raphael Levien
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Fast, dynamic cache packing
Patent number
9,575,896
Issue date
Feb 21, 2017
Google Inc.
Chet Haase
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
System and method of compressing data in font files
Patent number
9,563,634
Issue date
Feb 7, 2017
Google Inc.
David J. Kuettel
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Techniques for analyzing web pages to determine font subsets
Patent number
9,275,018
Issue date
Mar 1, 2016
Google Inc.
Raphael Linus Levien
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for interactive curve generation
Patent number
9,230,350
Issue date
Jan 5, 2016
Raphael L Levien
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
System and method of font compression using selectable entropy enco...
Patent number
9,098,524
Issue date
Aug 4, 2015
Google Inc.
David Kuettel
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
System and method of compressing data in font files
Patent number
9,075,816
Issue date
Jul 7, 2015
Google Inc.
David Kuettel
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
System and method of font compression using selectable entropy enco...
Patent number
8,843,455
Issue date
Sep 23, 2014
Google Inc.
David Kuettel
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for interactive curve generation
Patent number
8,810,579
Issue date
Aug 19, 2014
Raphael L Levien
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for interactive curve generation
Patent number
8,520,003
Issue date
Aug 27, 2013
Raphael L Levien
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Fast, dynamic cache packing
Patent number
8,510,531
Issue date
Aug 13, 2013
Google Inc.
Chet Haase
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Photographic image reproduction device using digital halftoning to...
Patent number
RE37907
Issue date
Nov 19, 2002
Raphael L Levien
358 - Facsimile and static presentation processing
Information
Patent Grant
Method and apparatus for image rotation
Patent number
6,097,855
Issue date
Aug 1, 2000
Raphael L. Levien
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for suppressing moire patterns
Patent number
5,991,513
Issue date
Nov 23, 1999
Raphael L Levien
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for error diffusion screening of images with i...
Patent number
5,917,614
Issue date
Jun 29, 1999
Raphael L. Levien
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Automatic tone correction of images using non-linear histogram proc...
Patent number
5,544,258
Issue date
Aug 6, 1996
Raphael L. Levien
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for adaptive sharpening of images
Patent number
5,524,162
Issue date
Jun 4, 1996
Raphael L. Levien
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Screen generation for halftone screening of images with reduction o...
Patent number
5,442,461
Issue date
Aug 15, 1995
Raphael L. Levien
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Register mark
Patent number
5,402,726
Issue date
Apr 4, 1995
Raphael L. Levien
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
High speed transition signalling communication system
Patent number
5,404,137
Issue date
Apr 4, 1995
Raphael L. Levien
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for automatic alignment of objects and registe...
Patent number
5,388,517
Issue date
Feb 14, 1995
Raphael L. Levien
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Integrated half-tone screening and enlarging using an enlargement m...
Patent number
5,365,602
Issue date
Nov 15, 1994
Raphael L. Levien
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Time reversal gaussian approximation filter
Patent number
5,337,264
Issue date
Aug 9, 1994
Raphael L. Levien
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Digital generation of halftone images with error diffusion and freq...
Patent number
5,331,429
Issue date
Jul 19, 1994
Raphael L. Levien
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Screen generation for halftone screening of images using arbitrary...
Patent number
5,315,406
Issue date
May 24, 1994
Raphael L. Levien
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Screen generation for halftone screening of images using scan line...
Patent number
5,307,181
Issue date
Apr 26, 1994
Raphael L. Levien
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Screen generation for halftone screening of images
Patent number
5,291,310
Issue date
Mar 1, 1994
Raphael L. Levien
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for halftoning of images using grayscale error...
Patent number
5,276,535
Issue date
Jan 4, 1994
Raphael L. Levien
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Eyeglasses with spectral color shift
Patent number
5,218,386
Issue date
Jun 8, 1993
Raphael L. Levien
G02 - OPTICS
Information
Patent Grant
Color correction and apparatus for photographic reproduction
Patent number
5,155,588
Issue date
Oct 13, 1992
Raphael L. Levien
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
MAINTAINING STATE OF DOCUMENT CONCURRENTLY EDITED BY TWO COMPUTING...
Publication number
20180011825
Publication date
Jan 11, 2018
Google Inc.
Raphael Levien
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SYSTEM AND METHOD OF COMPRESSING DATA IN FONT FILES
Publication number
20150269181
Publication date
Sep 24, 2015
Google Inc.
David J. Kuettel
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
System and Method for Facilitating Font Selection
Publication number
20150193385
Publication date
Jul 9, 2015
Jeremie Lenfant-Engelmann
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
System and Method of Facilitating Font Selection and Manipulation o...
Publication number
20150193386
Publication date
Jul 9, 2015
David Adam Wurtz
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
TECHNIQUES FOR ANALYZING WEB PAGES TO DETERMINE FONT SUBSETS
Publication number
20150161082
Publication date
Jun 11, 2015
Google Inc.
Raphael Linus Levien
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
METHOD AND APPARATUS FOR INTERACTIVE CURVE GENERATION
Publication number
20150035837
Publication date
Feb 5, 2015
Raphael L. Levien
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SYSTEM AND METHOD OF FONT COMPRESSION USING SELECTABLE ENTROPY ENCO...
Publication number
20140358875
Publication date
Dec 4, 2014
David Kuettel
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
FAST, DYNAMIC CACHE PACKING
Publication number
20140082319
Publication date
Mar 20, 2014
Chet Haase
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
METHOD AND APPARATUS FOR INTERACTIVE CURVE GENERATION
Publication number
20130321428
Publication date
Dec 5, 2013
Raphael L. Levien
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
System and Method of Compressing Data in Font Files
Publication number
20130051690
Publication date
Feb 28, 2013
David Kuettel
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
System and Method of Font Compression Using Selectable Entropy Enco...
Publication number
20130054547
Publication date
Feb 28, 2013
David Kuettel
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
System and Method for Improved Compression with Arithmetic Encoding...
Publication number
20130054836
Publication date
Feb 28, 2013
Raphael Linus Levien
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
METHOD AND APPARATUS FOR INTERACTIVE CURVE GENERATION
Publication number
20080005212
Publication date
Jan 3, 2008
Raphael L. Levien
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Method and apparatus for reordering an arbitrary order signal seque...
Publication number
20050203919
Publication date
Sep 15, 2005
L. Peter Deutsch
G06 - COMPUTING CALCULATING COUNTING