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

John Vala — 41 Patents

UNUnisys: 37 patents #5 of 2,015Top 1%
EDEnergy Conversion Devices: 2 patents #85 of 231Top 40%
Rochester, MI: #17 of 860 inventorsTop 2%
Michigan: #1,296 of 86,293 inventorsTop 2%
Overall (All Time): #77,054 of 4,157,543Top 2%
41 Patents All Time

Issued Patents All Time

Showing 26–41 of 41 patents

Patent #TitleCo-InventorsDate
5321527 Integrated document imaging assembly Gary Copenhaver, Johan P. Bakker 1994-06-14
5313070 Check imaging illumination with focus/defocus and fibre optic light guide means Gerald J. Banks 1994-05-17
5272331 Document imaging camera with lamp bent into symmetrical lamp segments Johan P. Bakker, Clive E. Catchpole, David B. Tratar 1993-12-21
5264961 Techniques for trapping beams of infra-red energy Gary Copenhaver, Johan P. Bakker 1993-11-23
5259043 Filtering illumination for image lift David J. Concannon, Gerald J. Banks 1993-11-02
5255107 Integrated multi-beam imaging assembly Gary Copenhaver, Johan P. Bakker 1993-10-19
5155776 Filtering illumination for image lift David J. Concannon, Gerald J. Banks 1992-10-13
5146362 Infra-red extraction from illumination source Gary Copenhaver, Johan P. Bakker 1992-09-08
5144457 Integrated imaging assembly Gary Copenhaver, Johan P. Bakker 1992-09-01
5089713 Document-imaging illumination arrangements with intensity with adjustment Gerald J. Banks 1992-02-18
5063461 Packaging of components for image lift Gary Copenhaver, Johan P. Bakker 1991-11-05
5063599 Electronic image lift David J. Concannon, Gary Copenhaver, Johan P. Bakker, Gerald J. Banks, Clive E. Catchpole 1991-11-05
5003189 Document-imaging illumination with fibre-optic intensity-adjust Gerald J. Banks 1991-03-26
4993802 Randomizing optical converter for illumination beam and method utilizing same David J. Concannon, Clive E. Catchpole 1991-02-19
4676646 Method and apparatus for controlling thickness of a layer of an optical data storage device by measuring an optical property of the layer David Strand 1987-06-30
4622654 Liquid crystal light valve with memory Zvi Yaniv, David Strand 1986-11-11