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LEXMARK INT INC

Overview
  • Total Patents
    5,762
  • GoodIP Patent Rank
    1,587
  • Filing trend
    ⇧ 10.0%
About

LEXMARK INT INC has a total of 5,762 patent applications. It increased the IP activity by 10.0%. Its first patent ever was published in 1979. It filed its patents most often in United States, EPO (European Patent Office) and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets optics, textiles and paper and computer technology are RICOH PRINTING SYS LTD, COPYER CO and ARRAY AB PUBL.

Patent filings per year

Chart showing LEXMARK INT INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Leemhuis Michael Craig 146
#2 Parish George Keith 135
#3 Hardin Keith Bryan 132
#4 Newman Benjamin Keith 109
#5 Rogers Matthew Lee 108
#6 Anderson Frank Edward 105
#7 Murthy Ashok 104
#8 Sun Jing X 102
#9 Carpenter Brian Scott 100
#10 Leemhuis James Richard 100

Latest patents

Publication Filing date Title
US2021028950A1 Multidirectional magnetic field area reader system with features
US2021111899A1 Cryptoanchor reader
WO2021046351A2 A sensor array for reading a magnetic puf
US2020400756A1 Sensor array for reading a magnetic puf
WO2021046354A2 A sensor array for reading a magnetic puf
US2021063955A1 Bushing assembly for an electrophotographic image forming device
US2021011397A1 Gear assembly for a replaceable unit of an electrophotographic image forming device
US2021018864A1 Drive and seal assembly for an electrophotographic image forming device
US2021124278A1 Shaped charge generation layer for a photoconductive drum
WO2020198082A1 Magnetic puf with predetermined information layer
WO2020198072A1 Magnetic physical unclonable function with multiple magnetic coercivities
WO2020197924A1 Multi-factor physically unclonable function key, coin, or rfid
WO2020197881A1 Physical unclonable function region encoding
US2020304322A1 Physical unclonable function encoder
US2020218174A1 Toner container having an encoded member and an alignment guide for locating a sensor relative to the encoded member
WO2020197850A1 Unclonable security for additive manufacturing using material designed for a physical unclonable function
US2020218175A1 Sensor positioning by a replaceable unit of an image forming device
WO2020197844A1 Toner container having an encoded member and an alignment guide for locating a sensor relative to the encoded member
US2020300935A1 Hall Effect Prism Sensor
US2020304321A1 Device and method for scanning the physical signature data of a physical unclonable function with a smartphone