JS

John Robert Sheahan

SP Silverbrook Research Pty: 87 patents #13 of 146Top 9%
ML Memjet Technology Limited: 5 patents #65 of 205Top 35%
ZA Zamtec: 5 patents #49 of 149Top 35%
KS Kia Silverbrook: 2 patents #2 of 21Top 10%
Overall (All Time): #14,549 of 4,157,543Top 1%
100
Patents All Time

Issued Patents All Time

Showing 26–50 of 100 patents

Patent #TitleCo-InventorsDate
7918524 Printhead integrated circuit having sensing and test circuitry Mark Jackson Pulver, Brian Christopher Morahan, Alireza Moini, Timothy Peter Gillespie, Michael John Webb +1 more 2011-04-05
7914107 Printer incorporating multiple synchronizing printer controllers Kia Silverbrook, Mark Jackson Pulver, Michael John Webb, Richard Thomas Plunkett, Simon Robert Walmsley 2011-03-29
7901037 Print engine having printhead control modes Simon Robert Walmsley, Michael John Webb, Mark Jackson Pulver, Kia Silverbrook 2011-03-08
7891748 Print engine controller having controller circuitry with an open actuator test circuit Mark Jackson Pulver, Brian Christopher Morahan, Alireza Moini, Timothy Peter Gillespie, Michael John Webb +2 more 2011-02-22
7891765 Printhead having displaced nozzle rows Mark Jackson Pulver, Simon Robert Walmsley, Kia Silverbrook, Michael John Webb 2011-02-22
7891766 Printhead having combined printhead module types Kia Silverbrook, Mark Jackson Pulver, Michael John Webb, Richard Thomas Plunkett, Simon Robert Walmsley 2011-02-22
7891749 Printhead IC with multiple operating modes Mark Jackson Pulver, Brian Christopher Morahan, Alireza Moini, Timothy Peter Gillespie, Michael John Webb +1 more 2011-02-22
7874631 Printhead integrated circuit with open actuator test Mark Jackson Pulver, Brian Christopher Morahan, Alireza Moini, Timothy Peter Gillespie, Michael John Webb +2 more 2011-01-25
7874633 Printhead IC with non-ejection maintenance Mark Jackson Pulver, Brian Christopher Morahan, Alireza Moini, Timothy Peter Gillespie, Michael John Webb +2 more 2011-01-25
7866791 Printhead having mirrored rows of print nozzles Kia Silverbrook, Mark Jackson Pulver, Michael John Webb, Simon Robert Walmsley 2011-01-11
7866778 Printhead module having nozzle redundancy for faulty nozzle tolerance Kia Silverbrook, Simon Robert Walmsley, Richard Thomas Plunkett, Mark Jackson Pulver, Michael John Webb 2011-01-11
7866784 Diagnostic probe assembly for printhead integrated circuitry Stephen John Sleijpen, William John Stacey, Julian Paul Kolodko, Neil Fyfe Edwards, Neil McAlpin +2 more 2011-01-11
7863890 Apparatus for testing integrated circuitry Stephen John Sleijpen, William John Stacey, Julian Paul Kolodko, Neil Fyfe Edwards, Neil McAlpin +2 more 2011-01-04
7845747 Printhead with sub-ejection pulse for non-firing nozzles Mark Jackson Pulver, Brian Christopher Morahan, Alireza Moini, Timothy Peter Gillespie, Michael John Webb +2 more 2010-12-07
7841703 Printhead having rows of symmetrically arranged nozzles Kia Silverbrook, Mark Jackson Pulver, Michael John Webb, Simon Robert Walmsley 2010-11-30
7837284 Printhead having multiple controllers for printhead modules Kia Silverbrook, Simon Robert Walmsley, Richard Thomas Plunkett, Mark Jackson Pulver, Michael John Webb 2010-11-23
7832842 Printer controller for supplying data to a printhead module having interleaved shift registers Mark Jackson Pulver, Simon Robert Walmsley, Richard Thomas Plunkett, Michael John Webb, Kia Silverbrook 2010-11-16
7819494 Printhead IC with multi-stage print data loading and firing Mark Jackson Pulver, Brian Christopher Morahan, Alireza Moini, Timothy Peter Gillespie, Michael John Webb +2 more 2010-10-26
7804292 Method for testing integrated circuits mounted on a carrier Stephen John Sleijpen, William John Stacey, Julian Paul Kolodko, Neil Fyfe Edwards, Neil McAlpin +2 more 2010-09-28
7802862 Printhead having sequenced nozzle firing on integrated circuit Simon Robert Walmsley, Mark Jackson Pulver, Kia Silverbrook, Michael John Webb 2010-09-28
7798607 Inkjet printhead having multiple printer controllers Simon Robert Walmsley, Mark Jackson Pulver, Kia Silverbrook, Michael John Webb 2010-09-21
7780256 Printhead IC with spaced nozzle firing sequence Mark Jackson Pulver, Brian Christopher Morahan, Alireza Moini, Timothy Peter Gillespie, Michael John Webb +2 more 2010-08-24
7775616 Printhead having controllers for multi-channel printhead modules Kia Silverbrook, Mark Jackson Pulver, Simon Robert Walmsley, Michael John Webb, Richard Thomas Plunkett 2010-08-17
7762639 Inkjet printer having printhead with multiple controllers Kia Silverbrook, Simon Robert Walmsley, Mark Jackson Pulver, Michael John Webb 2010-07-27
7758147 Printhead module having operation controllable on basis of thermal sensors Kia Silverbrook, Mark Jackson Pulver, Michael John Webb, Simon Robert Walmsley 2010-07-20