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

H. Sprague Ackley — 127 Patents

IIIntermec Ip: 37 patents #1 of 391Top 1%
INIntermec: 24 patents #1 of 113Top 1%
DIDigimarc: 2 patents #104 of 189Top 60%
EDEmpire Technology Development: 1 patents #283 of 547Top 55%
IIIntermac Ip: 1 patents #1 of 18Top 6%
Seattle, WA: #35 of 21,776 inventorsTop 1%
Washington: #152 of 76,902 inventorsTop 1%
Overall (All Time): #8,817 of 4,157,543Top 1%
127 Patents All Time

Issued Patents All Time

Showing 101–125 of 127 patents

Patent #TitleCo-InventorsDate
6012638 Machine-readable symbology and method and apparatus for printing and reading same Christopher A. Wiklof 2000-01-11
6003775 Generic handheld symbology scanner with a modular optical sensor 1999-12-21
5988898 Label printer having integrated optical scanner module 1999-11-23
5939700 Bar code symbology capable of encoding 16-bit characters, and method and apparatus for printing and reading same 1999-08-17
5912452 Method and apparatus for reading one-and two-dimensional symbols with a linear detector Christopher A. Wiklof 1999-06-15
5897255 Speed fonts for matrix printers 1999-04-27
5890817 U.P.C./EAN symology font optimization in an on-demand printer 1999-04-06
5877486 Method and apparatus for enhancing resolution of reflectance signals produced from machine-readable symbols Pavel A. Maltsev 1999-03-02
5853252 Method and apparatus for U.P.C./EAN symbology ambiguous character compensation by localized thermal energy dot adjustment George C. Wright 1998-12-29
5844222 Rastering laser scanner with beam location feedback Christopher A. Wiklof 1998-12-01
5841954 Dot printers with width compression capabilities 1998-11-24
5834760 Method of adjusting depth-of-field in laser scanners by dynamically adjusting laser power Paul S. Swanson 1998-11-10
5811777 Method and apparatus for utilizing specular light to image low contrast symbols 1998-09-22
5811781 Bar code symbology capable of encoding 16-bit characters, and method and apparatus for printing and reading same 1998-09-22
5798513 Method and apparatus for decoding unresolved profiles produced from relief formed symbols 1998-08-25
5777309 Method and apparatus for locating and decoding machine-readable symbols Pavel A. Maltsev 1998-07-07
5767889 Bar shaving of the resident fonts in an on-demand barcode printer 1998-06-16
5681120 U.P.C./EAN symbology font optimization in an on-demand printer 1997-10-28
5676473 Method and apparatus for U.P.C./ean symbology ambiguous character compensation by localized thermal energy dot adjustment George C. Wright 1997-10-14
5659431 Fixed mount imager using optical module for reading one or two-dimensional symbology data 1997-08-19
5619027 Single width bar code symbology with full character set utilizing robust start/stop characters and error detection scheme 1997-04-08
5553084 Error correction enhancement for code one and other machine-readable symbologies Christopher A. Wiklof 1996-09-03
5539191 Method and apparatus for decoding unresolved bar code profiles using edge finding circuitry 1996-07-23
5536924 Method and apparatus for matrix symbology imager 1996-07-16
5514858 Method and apparatus for decoding unresolved complex multi-width bar code symbology profiles 1996-05-07