Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
DH

David L. Hecht — 59 Patents

Xerox: 50 patents #215 of 8,622Top 3%
PIPalo Alto Research Center Incorporated: 3 patents #319 of 776Top 45%
UNUnknown: 1 patents #29,356 of 83,584Top 40%
FIFujifilm Business Innovation: 1 patents #3,579 of 5,238Top 70%
New York, NY: #159 of 20,192 inventorsTop 1%
New York: #1,416 of 115,490 inventorsTop 2%
Overall (All Time): #40,729 of 4,157,543Top 1%
59 Patents All Time

Issued Patents All Time

Showing 26–50 of 59 patents

Patent #TitleCo-InventorsDate
6076738 Self-clocking glyph shape codes Dan S. Bloomberg, Robert F. Tow, L. Prasadam Flores 2000-06-20
6000621 Tilings of mono-code and dual-code embedded data pattern strips for robust asynchronous capture Glen W. Petrie 1999-12-14
6000613 Self-clocking glyph code having composite glyphs for distributively encoding multi-bit digital values Richard G. Stearns, L. Noah Flores 1999-12-14
5949055 Automatic geometric image transformations using embedded signals David Fleet, David Heeger, Todd A. Cass 1999-09-07
5939703 Distributed dimensional labeling for dimensional characterization of embedded data blocks Glen W. Petrie 1999-08-17
5937110 Parallel propagating embedded binary sequences for characterizing objects in N-dimensional address space Glen W. Petrie 1999-08-10
5901224 Quasi-reprographics with variable embedded data with applications to copyright management, and distribution control 1999-05-04
5870510 Parallel propagating embedded binary sequences for parameterizing two dimensional image domain code patterns in N-dimensional address space 1999-02-09
5825933 Parallel propagating embedded binary sequence for parameterizing two dimensional image domain code patterns in two dimensional address space 1998-10-20
5810214 Method and device for bow making 1998-09-22
5694102 Vector reconstruction of asynchronously captured tiled embedded data blocks 1997-12-02
5631686 Method to provide optimum optical contrast for registration mark detection Vittorio Castelli 1997-05-20
5589870 Spot profile control using fractional interlace factors in a polygon ROS Douglas N. Curry 1996-12-31
5576532 Interleaved and interlaced sync codes and address codes for self-clocking glyph codes 1996-11-19
5521372 Framing codes for robust synchronization and addressing of self-clocking glyph codes Richard G. Stearns, L. Noah Flores 1996-05-28
5486686 Hardcopy lossless data storage and communications for electronic document processing systems Frank Zdybel, Jr., Henry W. Sang, Jr., Jan O. Pedersen, Z. Erol Smith, III, D. Austin Henderson, Jr. +1 more 1996-01-23
5453605 Global addressability for self-clocking glyph codes Glen W. Petrie 1995-09-26
5449895 Explicit synchronization for self-clocking glyph codes Richard G. Stearns 1995-09-12
5449896 Random access techniques for use with self-clocking glyph codes L. Noah Flores, Glen W. Petrie, Thomas Webster 1995-09-12
5385803 Authentication process James M. Duff, H. Bruce Goodbrand 1995-01-31
5255118 Electrooptic TIR light modulator image bar having electrode length for optimizing spatial frequency response 1993-10-19
5221833 Methods and means for reducing bit error rates in reading self-clocking glyph codes 1993-06-22
5218469 Electrooptic TIR light modulator image bar having illumination conditions for optimizing spatial frequency response 1993-06-08
5191464 Electrooptic TIR light modulator image bar having spatial filter for optimizing spatial frequency response 1993-03-02
5189548 Electrooptic TIR light modulator image bar having multiple electrodes per pixel 1993-02-23