Inventor

Bernard O. Geaghan

Inventor

Salem, NH, US

Overview

1985–2020

Patent span

Physics

Primary field (CPC G)

Patents· 71 as inventor

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

G06Fprimary

G06FElectric digital data processing58%

H03KPulse technique5%

G09GArrangements or circuits for control of indicating devices using static means to present variable information4%

G01CMeasuring distances, levels or bearings3%

G06KGraphical data reading3%

Y10TTechnical subjects covered by former us classification3%

H01BCables2%

H05KPrinted circuits2%

G01DMeasuring not specially adapted for a specific variable2%

G01RMeasuring electric variables2%

PatentTitleYear

10,753,746Multi-mode stylus and digitizer system2020 10,649,554Pen for capacitive touch systems2020 10,437,358Touch systems stylus and methods2019 10,430,001Mesh patterns for touch sensor electrodes2019 10,379,633Pen for capacitive touch systems2019 10,318,066Capacitive-based touch apparatus and method with reduced interference2019 10,168,825Capacitive touch systems and methods using differential signal techniques2019 9,958,954System and methods for calibrating a digitizer system2018 9,823,769'Touch location determination involving multiple touch location processes'2017 9,817,491'Pen for capacitive touch systems'2017 9,782,955'Transferable transparent conductive patterns and display stack materials'2017 9,710,074'Digitizer using position-unique optical signals'2017 9,639,228'Mesh patterns for touch sensor electrodes'2017 9,557,827'Optical digitizer system with position-unique photoluminescent indicia'2017 9,448,645'Digitizer using multiple stylus sensing techniques'2016 9,360,971'Mesh patterns for touch sensor electrodes'2016 9,354,750'Digitizer for multi-display system'2016 9,201,556'Touch location sensing system and method employing sensor data fitting to a predefined curve'2015 9,081,448'Digitizer using multiple stylus sensing techniques'2015 9,068,845'Optical digitizer system with position-unique photoluminescent indicia'2015 9,035,911'Digitizer using position-unique optical signals'2015 9,035,912'Digitizer for multi-display system'2015 9,019,209'Touch location determination involving multiple touch location processes'2015 8,726,497'Methods of making composite electrodes'2014 8,508,680'Touch screen sensor with low visibility conductors'2013 8,493,355'Systems and methods for assessing locations of multiple touch inputs'2013 8,410,794'Operator identifying apparatus, operator identifying method and vehicle-mounted apparatus'2013 8,405,633'Touch sensitive devices with composite electrodes'2013 8,363,031'Mutual capacitance measuring circuits and methods'2013 8,284,332'Touch screen sensor with low visibility conductors'2012 8,279,187'Touch sensitive devices with composite electrodes'2012 8,207,944'Capacitance measuring circuit and method'2012 8,183,875'System and method for determining touch positions based on passively-induced position-dependent electrical charges'2012 8,174,273'Capacitance measurement circuit with dynamic feedback'2012 8,159,472'Touch screen with selective touch sources'2012 8,089,474'Location sensing system and method employing adaptive drive signal adjustment'2012 8,059,103'System and method for determining touch positions based on position-dependent electrical charges'2011 8,004,499'Interleaved electrodes for touch sensing'2011 7,973,771'Touch sensor with electrode array'2011 7,916,501'Magnetic shield for use in a location sensing system'2011 7,864,160'Interleaved electrodes for touch sensing'2011 7,830,158'Time-sloped capacitance measuring circuits and methods'2010 7,830,157'Pulsed capacitance measuring circuits and methods'2010 7,787,259'Magnetic shield for use in a location sensing system'2010 7,724,243'Touch sensors incorporating capacitively coupled electrodes'2010 7,683,890'Touch location determination using bending mode sensors and multiple detection techniques'2010 7,646,377'Position digitizing using an optical stylus to image a display'2010 7,453,444'Touch screen with selective touch sources'2008 7,439,963'Touch sensor with linearized response'2008 7,362,313'Touch simulation system and method'2008 7,348,969'Passive light stylus and user input device using same'2008 7,327,352'Linearized conductive surface'2008 7,307,624'Touch sensor with linearized response'2007 7,298,367'Light emitting stylus and user input device using same'2007 7,254,775'Touch panel system and method for distinguishing multiple touch inputs'2007 7,236,161'Remote touch simulation systems and methods'2007 6,819,316'Flexible capacitive touch sensor'2004 6,781,579'Touch panel with improved linear response and minimal border width electrode pattern'2004 6,667,739'Electronic whiteboard system eraser'2003 6,549,193'Touch panel with improved linear response and minimal border width electrode pattern'2003 6,504,583'Anti-microbial touch panel and method of making same using homeotropic liquid crystal silanes'2003 6,445,384'Electronic whiteboard system eraser'2002 6,395,863'Touch screen with polarizer and method of making same'2002 6,355,895'Spacing structures for large touch panels'2002 6,353,193'Electronic whiteboard system and method'2002 6,133,906'Display-integrated stylus detection system'2000 5,838,309'Self-tensioning membrane touch screen'1998 5,790,114'Electronic whiteboard with multi-functional user interface'1998 RE033705'Interchangeable interface circuit structure'1991 4,670,855'Interchangeable interface circuit structure'1987 4,556,953'Interchangeable interface circuitry arrangements for use with a data processing system'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–2015Patents assigned to GEAGHAN BERNARD O (20)· patent assignee history

1985–1991Based in Boylston, MA, US· patent location history

1998–2002Patents assigned to MICROTOUCH SYSTEMS INC (4)· patent assignee history

1998–2020Based in Salem, NH, US· patent location history

2000Based in Andover, MA, US· patent location history

2002Patents assigned to GREENSTEEL INC (3)· patent assignee history

2003–2020Patents assigned to 3M INNOVATIVE PROPERTIES CO (60)· patent assignee history

2012–2013Patents assigned to CORDEIRO CRAIG A (3)· patent assignee history

2019–2020Based in Salen, NH, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
3M INNOVATIVE PROPERTIES CO	60	2003–2020
GEAGHAN BERNARD Oself	20	1985–2015
MICROTOUCH SYSTEMS INC	4	1998–2002
CORDEIRO CRAIG A	3	2012–2013
GREENSTEEL INC	3	2002

Locations

Location	Patents	Span
Salem, NH, US	65	1998–2020
Boylston, Massachusetts, US	3	1985–1991
Salen, NH, US	2	2019–2020
Andover, Massachusetts, US	1	2000