Inventor

Richard G. Stearns

Inventor

Felton, CA, US

Overview

51→

Patents

1987–2020

Patent span

Performing operations

Primary field (CPC B)

Patents· 51 as inventor

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

B41Jprimary

B41JTypewriters14%

B01LChemical or physical laboratory apparatus for general use14%

G01NInvestigating or analysing materials by determining their chemical or physical properties9%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry7%

B05BSpraying apparatus7%

G06KGraphical data reading7%

G03GElectrography5%

G01FMeasuring volume, volume flow, mass flow or liquid level5%

Y10TTechnical subjects covered by former us classification5%

C40BCombinatorial chemistry4%

PatentTitleYear

10,864,535Avoidance of bouncing and splashing in droplet-based fluid transport2020 10,840,075Focused acoustic radiation for rapid sequential ejection of subwavelength droplets2020 10,800,170Droplet ejection using focused acoustic radiation having a plurality of frequency ranges2020 10,787,670High-efficiency transfection of biological cells using sonoporation2020 10,325,768Focused acoustic radiation for rapid sequential ejection of subwavelength droplets2019 10,156,499Focused acoustic radiation for the ejection of subwavelength droplets2018 10,118,186Avoidance of bouncing and splashing in droplet-based fluid transport2018 10,112,212Droplet ejection using focused acoustic radiation having a plurality of frequency ranges2018 9,939,352Method and system for determining the concentration of an analyte in a fluid sample2018 9,908,133'Acoustically ejecting a droplet of fluid from a reservoir by an acoustic fluid ejection apparatus'2018 9,586,215'Avoidance of bouncing and splashing in droplet-based fluid transport'2017 9,221,250'Acoustically ejecting a droplet of fluid from a reservoir by an acoustic fluid ejection apparatus'2015 8,770,691'Acoustically ejecting a droplet of fluid from a reservoir by an acoustic fluid ejection apparatus'2014 8,579,414'Self-assembling structures for electrostatic extraction of pigments from liquid inks for marking'2013 8,503,266'Acoustic fluid height monitoring using dynamic surface perturbations'2013 8,389,295'Avoidance of bouncing and splashing in droplet-based fluid transport'2013 8,107,319'Acoustic fluid height monitoring using dynamic surface perturbations'2012 7,899,645'Acoustic assessment of characteristics of a fluid relevant to acoustic ejection'2011 7,784,331'Acoustic determination of properties of reservoirs and of fluids contained therein'2010 7,717,544'Method for acoustically ejecting a droplet of fluid from a reservoir by an acoustic fluid ejection apparatus'2010 7,454,958'Acoustic determination of properties of reservoirs and of fluids contained therein'2008 7,354,141'Acoustic assessment of characteristics of a fluid relevant to acoustic ejection'2008 6,808,934'High-throughput biomolecular crystallization and biomolecular crystal screening'2004 6,714,677'Use of correlation histograms for improved glyph decoding'2004 6,513,909'Method and apparatus for moving ink drops using an electric field and transfuse printing system using the same'2003 6,484,975'Method and apparatus to achieve uniform ink temperatures in printheads'2002 6,447,086'Method and apparatus for achieving controlled RF switching ratios to maintain thermal uniformity in the acoustic focal spot of an acoustic ink printhead'2002 6,416,164'Acoustic ejection of fluids using large F-number focusing elements'2002 6,327,395'Glyph address carpet methods and apparatus for providing location information in a multidimensional address space'2001 6,312,104'Reduction of spot misplacement through electrostatic focusing of uncharged drops'2001 6,208,771'Methods and apparatus for robust decoding of glyph address carpets'2001 6,000,613'Self-clocking glyph code having composite glyphs for distributively encoding multi-bit digital values'1999 5,975,683'Electric-field manipulation of ejected ink drops in printing'1999 5,917,464'Combination of 2-D detector array with display for image processing'1999 5,864,127'Analog glyph detector and detector arrays'1999 5,842,191'Neural network that incorporates direct optical imaging'1998 5,808,636'Reduction of droplet misdirectionality in acoustic ink printing'1998 5,699,450'Detector array method and apparatus for real time in situ color control in printers and copiers'1997 5,521,372'Framing codes for robust synchronization and addressing of self-clocking glyph codes'1996 5,467,975'Apparatus and method for moving a substrate'1995 5,449,895'Explicit synchronization for self-clocking glyph codes'1995 5,270,729'Ionographic beam positioning and crosstalk correction using grey levels'1993 5,225,959'Capacitive tactile sensor array and method for sensing pressure with the array'1993 5,225,856'Method and apparatus for correction of blooming artifacts in ionographic devices'1993 5,130,727'Feedback scheme for ionographic calibration'1992 5,128,525'Convolution filtering for decoding self-clocking glyph shape codes'1992 5,087,933'In situ inonographic uniformity correction'1992 5,074,149'Acoustic wave measurement of the properties of porous materials filled with air and granules'1991 4,896,174'Transport of suspended charged particles using traveling electrostatic surface waves'1990 4,812,860'Heater for ionographic marking head array'1989 4,683,750'Thermal acoustic probe'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1999Based in Mountain View, CA, US· patent location history

1989–2013Patents assigned to XEROX CORP (25)· patent assignee history

1995–2002Based in Los Gatos, CA, US· patent location history

1998–2004Based in Santa Cruz, CA, US· patent location history

1999–2020Based in Felton, CA, US· patent location history

2002–2004Patents assigned to PICOLITER INC (2)· patent assignee history

2008–2020Patents assigned to LABCYTE INC (21)· patent assignee history

2012–2018Patents assigned to STEARNS RICHARD G (4)· patent assignee history

2012–2013Patents assigned to DATWANI SAMMY S (2)· patent assignee history

2013–2020Based in Soquel, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
XEROX CORP	25	1989–2013
LABCYTE INC	21	2008–2020
STEARNS RICHARD Gself	4	2012–2018
DATWANI SAMMY S	2	2012–2013
PICOLITER INC	2	2002–2004

Locations

Location	Patents	Span
Felton, California, US	19	1999–2020
Mountain View, California, US	13	1987–1999
Soquel, California, US	7	2013–2020
Los Gatos, California, US	6	1995–2002
Santa Cruz, California, US	4	1998–2004