Inventor

Eric T. Martin

Inventor

Corvallis, OR, US

Overview

107→

Patents

1980–2020

Patent span

Performing operations

Primary field (CPC B)

Patents· 107 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B41Jprimary

B41JTypewriters44%

G09GArrangements or circuits for control of indicating devices using static means to present variable information18%

G02BOptical elements, systems or apparatus9%

G06FElectric digital data processing4%

G11CStatic stores3%

G01RMeasuring electric variables2%

H04NPictorial communication, e.g. television2%

B29CShaping or joining of plastics1%

B33YAdditive manufacturing, i.e. manufacturing of three-dimensional [3d] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3d printing, stereolithography or selective laser sintering1%

B81BMicrostructural devices or systems, e.g. micromechanical devices1%

PatentTitleYear

10,875,298Delay elements for activation signals2020 10,875,296Nozzle sensor protection2020 10,864,721Fluidic actuator scheduling2020 10,857,786Fluid driver actuation control using offset2020 10,850,502Fluidic die with primitive size greater than or equal to evaluator subset2020 10,850,509On-die actuator evaluation with pre-charged thresholds2020 10,850,506Drive bubble evaluation2020 10,821,735Fluid ejection device with nozzle column data groups including drive bubble detect data2020 10,807,373Fluid ejection device and particle detector2020 10,807,360Fluid ejection die including signal control logic2020 10,800,166On-die actuator failure detection2020 10,800,167Low voltage bias of nozzle sensors2020 10,786,986Fluid ejection array controller2020 10,786,987On-die time-shifted actuator evaluation2020 10,759,163Printing device2020 10,730,287Fluid ejection fire pulses2020 10,725,490Switches for bypass capacitors2020 10,688,785Printing system with a fluid circulating element2020 10,668,722Printhead employing data packets including address data2020 10,668,720Controlling recirculating of nozzles2020 10,632,742Nozzle sensor evaluation2020 10,611,173Fluid ejection device with fire pulse groups including warming data2020 10,589,521Fluid ejection via different field-effect transistors2020 10,589,523Fluid ejection device combining drive bubble detect and thermal response2020 10,562,296Printhead nozzle addressing2020 10,532,560Nozzle condition indication2020 10,532,568Fire pulse width adjustment2020 10,493,753Modules to evaluate ink signals2019 10,493,752Detecting a drive bubble formation and collapse2019 10,343,396Printhead employing data packets including address data2019 10,336,064Detect circuits for print heads2019 10,335,819Visual performance information of an ejection device2019 10,315,417Printhead employing data packets including address data2019 10,286,653Printhead2019 10,245,830Printing system with a fluid circulating element2019 10,220,609Impedance measurements at time instants2019 10,173,417Nozzle condition evaluation2019 10,160,203Printhead fire signal control2018 10,118,387Printhead employing data packets including address data2018 10,112,425Authentication value for a fluid ejection device2018 10,099,473Evaluating print nozzle condition2018 10,086,604Printing device2018 10,082,990Printhead data error detection and response2018 10,046,559Modules to identify nozzle chamber operation2018 10,005,276Modules to evaluate ink signals2018 9,956,763Evaluating print head nozzle condition2018 9,950,517Detecting a drive bubble formation and collapse2018 9,931,837Modules to identify nozzle chamber operation2018 9,925,767'Waveform selection and/or scaling for driving nozzle of fluid-jet printing device'2018 9,889,642'Managing printhead nozzle conditions'2018 9,855,777'Authentication value for fluid ejection device'2018 9,776,394'Nozzle condition evaluation'2017 9,776,395'Determining a time instant for an impedance measurement'2017 9,701,116'Determining an issue in an inkjet nozzle with impedance measurements'2017 9,630,400'Authentication value for print head die based on analog device electrical characteristics'2017 9,472,288'Mitigating parasitic current while programming a floating gate memory array'2016 9,463,622'Determining an issue in an inkjet nozzle with impedance measurements'2016 9,421,764'Waveform selection and/or scaling for driving nozzle of fluid-jet printing device'2016 9,409,393'Detecting a drive bubble formation and collapse'2016 9,352,564'Determining an issue in an inkjet nozzle with impedance measurements'2016 9,044,942'Thermal sensing fluid ejection assembly and method'2015 9,028,031'Peak energy reduction printhead system'2015 8,926,051'Heater controller and method thereof'2015 8,899,709'Determining an issue with an inkjet nozzle using an impedance difference'2014 8,888,226'Crack detection circuits for printheads'2014 8,882,237'Printhead apparatus, printer system and method of printhead built-in test'2014 8,870,322'Calibrating a program that detects a condition of an inkjet nozzle'2014 8,733,885'Print head array testing'2014 8,358,296'Temperature compensated MEMS device'2013 8,348,373'Firing signal forwarding in a fluid ejection device'2013 7,936,362'System and method for spreading a non-periodic signal for a spatial light modulator'2011 7,834,829'Control circuit for overcoming stiction'2010 7,656,573'Method and apparatus for controlling a gap between conductors in an electro-mechanical device'2010 7,538,889'Calibration feedback-control circuit for diffraction light devices'2009 7,486,263'Electrostatic device'2009 7,486,588'Method and apparatus for driver circuit to provide a desired voltage level to a device'2009 7,466,475'Light blocking electrical interconnect'2008 7,453,478'Address generation in a light modulator'2008 7,441,134'Self-packaged optical interference display device having anti-stiction bumps, integral micro-lens, and reflection-absorbing layers'2008 7,436,401'Calibration of a voltage driven array'2008 7,400,489'System and a method of driving a parallel-plate variable micro-electromechanical capacitor'2008 7,370,185'Self-packaged optical interference display device having anti-stiction bumps, integral micro-lens, and reflection-absorbing layers'2008 7,358,966'Selective update of micro-electromechanical device'2008 7,348,970'Display system and method of using same'2008 7,273,282'Projection system with optical filter'2007 7,266,778'Freezable projection display'2007 7,242,482'Capacitance gap calibration'2007 7,230,749'Light blocking electrical interconnect'2007 7,224,347'Writeboard method and apparatus'2007 7,221,497'Optical interference pixel display'2007 7,218,499'Charge control circuit'2007 7,212,292'Interferometer calibration methods and apparatus'2007 7,203,111'Method and apparatus for driver circuit in a MEMS device'2007 7,133,036'Display with data group comparison'2006 7,110,122'Interferometer calibration methods and apparatus'2006 7,088,566'Charge control of micro-electromechanical device'2006 7,079,154'Sub-pixel assembly with dithering'2006 7,072,093'Optical interference pixel display with charge control'2006 7,057,583'Display system with display element storage'2006 7,026,821'Testing MEM device array'2006 6,970,031'Method and apparatus for reducing charge injection in control of MEMS electrostatic actuator array'2005 6,963,440'System and method for driving a light delivery device'2005 6,853,476'Charge control circuit for a micro-electromechanical device'2005 6,829,132'Charge control of micro-electromechanical device'2004 6,741,384'Control of MEMS and light modulator arrays'2004 6,347,868'Hand held ink jet painting tool'2002 4,198,904'Baling machine'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980Based in Bury, GB· patent location history

2002Based in Provo, UT, US· patent location history

2004–2020Patents assigned to HEWLETT PACKARD DEVELOPMENT CO (95)· patent assignee history

2004–2020Based in Corvallis, OR, US· patent location history

2008–2016Patents assigned to MARTIN ERIC T (10)· patent assignee history

2014–2016Patents assigned to VAN BROCKLIN ANDREW L (5)· patent assignee history

2014–2016Patents assigned to MAXFIELD DAVID (4)· patent assignee history

2016–2018Patents assigned to HEWLETT PACKARD DEVELOPMENT CO LP (8)· patent assignee history

2020Based in Corvalis, OR, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HEWLETT PACKARD DEVELOPMENT CO	95	2004–2020
MARTIN ERIC Tself	10	2008–2016
HEWLETT PACKARD DEVELOPMENT CO LP	8	2016–2018
VAN BROCKLIN ANDREW L	5	2014–2016
MAXFIELD DAVID	4	2014–2016

Locations

Location	Patents	Span
Corvallis, OR, US	104	2004–2020
Corvalis, OR, US	1	2020
Provo, UT, US	1	2002
Bury, GB	1	1980