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 51–59 of 59 patents

Patent #TitleCo-InventorsDate
5138339 Microaddressability via overscanned illumination for optical printers and the like having high gamma photosensitive recording media Douglas N. Curry 1992-08-11
5138340 Temperature controlled light source for interlaced printer Robert A. Sprague, Mark S. Bernstein, Robert P. Kowalski, David Steinmetz, David E. Kizer +1 more 1992-08-11
5128525 Convolution filtering for decoding self-clocking glyph shape codes Richard G. Stearns, Dan S. Bloomberg 1992-07-07
4940314 Variable wavelength discrete optical image bars having passively enhanced spatial addressing capacity 1990-07-10
4751659 Defect compensation for discrete image bars 1988-06-14
4718752 Interpixel null suppression for polarized optical image bars Robert A. Sprague, L. Prasadam Flores 1988-01-12
4714182 Method and apparatus for making bows 1987-12-22
4674380 Apparatus for cutting ribbon Steven F. Schultz 1987-06-23
4673953 Interpixel null suppression for optical image bars 1987-06-16