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Inventor

Alexander Govyadinov

Inventor
Corvallis, OR, US

Overview

122→
Patents
2003–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 122 as inventor

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

B41Jprimary
B41JTypewriters33%
B01LChemical or physical laboratory apparatus for general use13%
G01NInvestigating or analysing materials by determining their chemical or physical properties5%
F04BPositive-displacement machines for liquids4%
B82YSpecific uses or applications of nanostructures3%
G02BOptical elements, systems or apparatus3%
F16KValves3%
H01JElectric discharge tubes or discharge lamps3%
F15BSystems acting by means of fluids in general2%
G01DMeasuring not specially adapted for a specific variable2%
PatentTitleYear
11,110,450Sample-reagent mixture thermal cycling202111,110,456Bead packing in microfluidic channels202111,110,453Microfluidic devices202111,097,270Microfluidic filtering system202111,059,290Fluid ejection device202111,027,545Fluid ejection device202110,946,649Printing with an emulsion202110,913,039Microfluidic mixer202110,882,045Polymerase chain reaction device including ejection nozzles202110,859,074Microfluidic devices202010,857,536Polymerase chain reaction device202010,850,511Fluid ejection device202010,828,639Target constituent location and discharge202010,807,376Fluid ejection device including recirculation system202010,780,705Fluid ejection device202010,766,272Fluid ejection device202010,730,312Fluid ejection device202010,717,274Fluid ejection device202010,696,939Cell lysis202010,655,994Microfluidic flow sensor202010,646,868Microfluidic filtering202010,632,749Fluid ejection device202010,632,743Fluid ejection device202010,589,269Microfluidic transport202010,532,580Fluid ejection apparatus with vertical inlet/outlet and fluid pump202010,500,850Fluid ejection device201910,495,507Drop ejection based flow sensor calibration201910,459,241Imaging apparatus and methods using diffraction-based illumination201910,449,776Print head sensing chamber circulation201910,415,086Polymerase chain reaction systems201910,365,226Microfluidic optical fluid sensor201910,336,090Circulation in a fluid ejection device201910,336,070Fluid ejection device with a fluid recirculation channel201910,308,020Fluid ejection device201910,286,366Microfluidic mixing device201910,272,691Microfluidic systems and networks201910,240,978Optical spectrometer201910,207,516Fluid ejection device201910,197,188Microfluidic valve201910,189,047Fluid ejection apparatus with fluid supply floor filter201910,183,493Fluid ejection device201910,173,435Fluid ejection device including recirculation system201910,132,303Generating fluid flow in a fluidic network201810,118,389Fluid ejection device201810,099,484Print head sensing chamber circulation20189,981,265Microfluidic mixing device20189,969,177Slot-to-slot circulation in a fluid ejection device20189,963,739Polymerase chain reaction systems20189,901,952'Fluid ejection apparatus with filter'20189,776,422'Systems and methods for degassing fluid'20179,701,116'Determining an issue in an inkjet nozzle with impedance measurements'20179,623,659'Slot-to-slot circulation in a fluid ejection device'20179,604,212'Fluid ejection device including recirculation system'20179,561,666'Systems and methods for degassing fluid'20179,522,527'Drop image sensing'20169,492,999'Drop detection methods and apparatus for use with drop dispensing apparatus'20169,463,622'Determining an issue in an inkjet nozzle with impedance measurements'20169,457,584'Slot-to-slot circulation in a fluid ejection device'20169,433,939'Liquid dispensing assembly frame'20169,409,170'Microfluidic mixing device'20169,395,050'Microfluidic systems and networks'20169,381,739'Fluid ejection assembly with circulation pump'20169,353,275'Ink visible under narrow band UV radiation'20169,352,564'Determining an issue in an inkjet nozzle with impedance measurements'20169,315,019'Systems and methods for degassing fluid'20169,289,997'Doped black ink with increased light scattering efficiency for nozzle health detection'20169,283,590'Fluid ejection apparatus'20169,259,925'Drop detector'20169,211,721'Slot-to-slot circulation in a fluid ejection device'20159,134,233'Drop detection assembly and method'20159,132,629'Method of detecting drops'20159,090,084'Fluid ejection device including recirculation system'20158,991,954'Fluid ejection device with fluid displacement actuator and related methods'20158,991,983'Provide heat to end regions of a printhead die'20158,939,542'Detecting defective nozzles'20158,939,531'Fluid ejection assembly with circulation pump'20158,899,709'Determining an issue with an inkjet nozzle using an impedance difference'20148,864,289'Drop detection'20148,770,707'Drop detector assembly and method'20148,757,783'Fluid ejection assembly with circulation pump'20148,740,453'Microcalorimeter systems'20148,721,061'Fluid ejection device with circulation pump'20148,651,646'Fluid ejection assembly with circulation pump'20148,540,355'Fluid ejection device with circulation pump'20138,529,011'Drop detection mechanism and a method of use thereof'20138,511,786'Light scattering drop detect device with volume determination and method'20138,449,068'Light-scattering drop detector'20138,419,159'Drop detection'20138,393,701'Using light-scattering drop detector to determine turn-on-energy for fluid-ejection nozzle'20138,388,098'Printing orifice health detection device'20138,376,506'Drop detection'20138,355,127'GRIN lens array light projector and method'20138,333,453'Method of dispensing liquid'20128,330,954'Light scattering aerosol detect device'20128,231,199'Orifice health detection device and method'20128,201,913'Drop detector'20128,177,318'Orifice health detection device'20127,918,528'Drop detector system and method with light collector'20117,821,718'Laser line generator'20107,709,882'Storage device with charge trapping structure and methods'20107,677,706'Electrostatic actuator and fabrication method'20107,627,013'Light source module'20097,535,619'Discharge of MEM devices having charge induced via focused beam to enter different states'20097,530,696'Projectors and operation thereof'20097,529,280'Tunable laser apparatus and methods'20097,460,293'Display system'20087,342,817'System and method for writing data using an electron beam'20087,314,772'Photonic device'20087,268,933'Discharge of MEM devices having charge induced via focused beam to enter different states'20077,149,155'Channeled dielectric re-recordable data storage medium'20067,142,449'Low temperature silicided tip'20067,118,982'Emitter and method of making'20067,079,300'Thermo-mechanically actuated reflective structure'20066,998,331'Methods for fabricating three dimensional anisotropic thin films and products produced thereby'20066,984,862'Storage device with charge trapping structure and methods'20066,911,768'Tunneling emitter with nanohole openings'20056,891,185'Electronic device with aperture and wide lens for small emission spot size'20056,841,794'Dielectric emitter with PN junction'20056,835,947'Emitter and method of making'20046,822,241'Emitter device with focusing columns'20046,770,353'Co-deposited films with nano-columnar structures and formation process'20046,541,392'Method for fabricating three dimensional anisotropic thin films'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2021Based in Corvallis, OR, US· patent location history
2004–2021Patents assigned to HEWLETT PACKARD DEVELOPMENT CO (109)· patent assignee history
2012–2018Patents assigned to GOVYADINOV ALEXANDER (36)· patent assignee history
2012Based in Corvaltis, OR, US· patent location history
2014–2018Patents assigned to MARKEL DAVID P (6)· patent assignee history
2014–2018Patents assigned to TORNIAINEN ERIK D (6)· patent assignee history
2016–2017Patents assigned to HEWLETT PACKARD DEVELOPMENT CO LP (11)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HEWLETT PACKARD DEVELOPMENT CO1092004–2021
GOVYADINOV ALEXANDERself362012–2018
HEWLETT PACKARD DEVELOPMENT CO LP112016–2017
MARKEL DAVID P62014–2018
TORNIAINEN ERIK D62014–2018
Locations
LocationPatentsSpan
Corvallis, OR, US1212003–2021
Corvaltis, OR, US12012