Inventor
CANNON ROGER STEVEN
US22 patents
⚠️ This page may combine multiple inventors who share the name “CANNON ROGER STEVEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LEXMARK INT INC
21 patentsUS9553582B1Jan 24, 2017
Physical unclonable functions having magnetic and non-magnetic particles
LEXMARK INT INC21 citations93
US7184187B2Feb 27, 2007
Optical system for torsion oscillator laser scanning unit
LEXMARK INT INC29 citations91
US9929864B2Mar 27, 2018
Rotating magnetic measurements of physical unclonable functions
LEXMARK INT INC7 citations83
US9917699B2Mar 13, 2018
Physical unclonable function imaged through two faces
LEXMARK INT INC9 citations83
US9665748B1May 30, 2017
Magnetic helical physical unclonable function measured adjacent to flight
LEXMARK INT INC13 citations83
US7859733B2Dec 28, 2010
Multiharmonic galvonometric scanning device
LEXMARK INT INC10 citations82
US7583417B2Sep 1, 2009
Bi-directional scanning and imaging with scanning compensation
LEXMARK INT INC9 citations82
US7573625B2Aug 11, 2009
Multiharmonic galvanometric scanning device
LEXMARK INT INC8 citations82
US10410779B2Sep 10, 2019
Methods of making physical unclonable functions having magnetic and non-magnetic particles
LEXMARK INT INC2 citations72
US7400661B2Jul 15, 2008
Automatic setting of laser diode bias current
LEXMARK INT INC4 citations60
US10566296B2Feb 18, 2020
Physical unclonable functions in bank cards or identification cards for security
LEXMARK INT INC1 citations59
US7248280B2Jul 24, 2007
Laser scanner having reduced air currents
LEXMARK INT INC5 citations59
US7667723B2Feb 23, 2010
Angular adjustment of MEMS torsion oscillator scanner
LEXMARK INT INC4 citations58
US6807011B2Oct 19, 2004
Humidity tolerant scan lens
LEXMARK INT INC4 citations58
US10877398B2Dec 29, 2020
Toner cartridge for image forming device including flight with magnetic particles to generate a magnetic field
LEXMARK INT INC0 citations51
US10102466B2Oct 16, 2018
Magnetic keys having a plurality of magnet layers with holes
LEXMARK INT INC0 citations51
US7841700B2Nov 30, 2010
Radiation activated micro-fluid ejection devices and methods for ejecting fluids
LEXMARK INT INC1 citations48
US7230769B2Jun 12, 2007
Humidity tolerant scan lens
LEXMARK INT INC0 citations48
US10212300B2Feb 19, 2019
Magnetic keys having a plurality of magnetic plates
LEXMARK INT INC0 citations41
US9122189B2Sep 1, 2015
Scan unit for an imaging device and methods of using same
LEXMARK INT INC0 citations41
US7773314B2Aug 10, 2010
Laser diode/pre-scan assembly
LEXMARK INT INC0 citations35