RL

Raphael L. Levien

Google: 8 patents #3,235 of 22,993Top 15%
Overall (All Time): #113,489 of 4,157,543Top 3%
32
Patents All Time

Issued Patents All Time

Showing 25 most recent of 32 patents

Patent #TitleCo-InventorsDate
10095674 Maintaining state of document concurrently edited by two computing systems by determining locations of edits based on inverse transformations 2018-10-09
9575896 Fast, dynamic cache packing Chet Haase, Romain P. Guy 2017-02-21
9563634 System and method of compressing data in font files David Kuettel 2017-02-07
9275018 Techniques for analyzing web pages to determine font subsets David Kuettel, Brian Stell 2016-03-01
9230350 Method and apparatus for interactive curve generation 2016-01-05
9098524 System and method of font compression using selectable entropy encoding David Kuettel 2015-08-04
9075816 System and method of compressing data in font files David Kuettel 2015-07-07
8843455 System and method of font compression using selectable entropy encoding David Kuettel 2014-09-23
8810579 Method and apparatus for interactive curve generation 2014-08-19
8520003 Method and apparatus for interactive curve generation 2013-08-27
8510531 Fast, dynamic cache packing Chet Haase, Romain P. Guy 2013-08-13
RE37907 Photographic image reproduction device using digital halftoning to screen images allowing adjustable coarseness 2002-11-19
6097855 Method and apparatus for image rotation 2000-08-01
5991513 Method and apparatus for suppressing moire patterns 1999-11-23
5917614 Method and apparatus for error diffusion screening of images with improved smoothness in highlight and shadow regions 1999-06-29
5544258 Automatic tone correction of images using non-linear histogram processing 1996-08-06
5524162 Method and apparatus for adaptive sharpening of images 1996-06-04
5442461 Screen generation for halftone screening of images with reduction of irrational correction artifacts 1995-08-15
5402726 Register mark 1995-04-04
5404137 High speed transition signalling communication system 1995-04-04
5388517 Method and apparatus for automatic alignment of objects and register mark for use therewith 1995-02-14
5365602 Integrated half-tone screening and enlarging using an enlargement mapping pattern having linked, unique pattern segments 1994-11-15
5337264 Time reversal gaussian approximation filter 1994-08-09
5331429 Digital generation of halftone images with error diffusion and frequency matched periodic screen rulings 1994-07-19
5315406 Screen generation for halftone screening of images using arbitrary distribution of transformed screen coordinates 1994-05-24