Inventor

SHEPHERD MATTHEW A

US74 patents

⚠️ This page may combine multiple inventors who share the name “SHEPHERD MATTHEW A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HEWLETT PACKARD DEVELOPMENT CO

40 patents

US6616260B2Sep 9, 2003

Robust bit scheme for a memory of a replaceable printer component

HEWLETT PACKARD DEVELOPMENT CO53 citations95

US8348373B2Jan 8, 2013

Firing signal forwarding in a fluid ejection device

HEWLETT PACKARD DEVELOPMENT CO8 citations84

US6789870B2Sep 14, 2004

Drop quantity calibration method and system

HEWLETT PACKARD DEVELOPMENT CO18 citations84

US8376506B2Feb 19, 2013

Drop detection

HEWLETT PACKARD DEVELOPMENT CO13 citations81

US7237864B2Jul 3, 2007

Fluid ejection device identification

HEWLETT PACKARD DEVELOPMENT CO18 citations81

US7188943B2Mar 13, 2007

Ink set for inkjet printing

HEWLETT PACKARD DEVELOPMENT CO7 citations74

US10981331B2Apr 20, 2021

Additive manufacturing

HEWLETT PACKARD DEVELOPMENT CO4 citations73

US6953239B2Oct 11, 2005

Printer system and printing method

HEWLETT PACKARD DEVELOPMENT CO10 citations73

US11826961B2Nov 28, 2023

Nested segments in object models for additive manufacturing

HEWLETT PACKARD DEVELOPMENT CO2 citations72

US11364687B2Jun 21, 2022

Compensating for dimensional variation in 3D printing

HEWLETT PACKARD DEVELOPMENT CO2 citations72

US11260599B2Mar 1, 2022

Modulating a three-dimensional printer system based on a selected mode

HEWLETT PACKARD DEVELOPMENT CO2 citations72

US11167496B2Nov 9, 2021

3D printing with multiple build modules

HEWLETT PACKARD DEVELOPMENT CO3 citations72

US10682810B2Jun 16, 2020

Three-dimensional (3D) printing

HEWLETT PACKARD DEVELOPMENT CO3 citations72

US6769757B2Aug 3, 2004

Robust bit scheme for a memory of a replaceable printer component

HEWLETT PACKARD DEVELOPMENT CO9 citations72

US11548228B2Jan 10, 2023

Soft-proof of three-dimensional (3D) printed parts

HEWLETT PACKARD DEVELOPMENT CO2 citations71

US11385624B2Jul 12, 2022

Generating a manufacturing job

HEWLETT PACKARD DEVELOPMENT CO2 citations71

US11513494B2Nov 29, 2022

Inspecting mesh models

HEWLETT PACKARD DEVELOPMENT CO3 citations69

US10560584B2Feb 11, 2020

Density classifiers based on plane regions

HEWLETT PACKARD DEVELOPMENT CO2 citations68

US11654626B2May 23, 2023

Additive manufacturing

HEWLETT PACKARD DEVELOPMENT CO0 citations62

US11648732B2May 16, 2023

Indexing in 3D printing

HEWLETT PACKARD DEVELOPMENT CO0 citations62

US11340582B2May 24, 2022

Processing 3D object models

HEWLETT PACKARD DEVELOPMENT CO0 citations62

US11279091B2Mar 22, 2022

Determining distribution patterns for object portions

HEWLETT PACKARD DEVELOPMENT CO0 citations62

US11260585B2Mar 1, 2022

Indexing in 3D printing

HEWLETT PACKARD DEVELOPMENT CO0 citations62

US11186035B2Nov 30, 2021

Forming three-dimensional (3D) parts

HEWLETT PACKARD DEVELOPMENT CO1 citations62

US10377160B2Aug 13, 2019

Die alignment with indexing scanbar

HEWLETT PACKARD DEVELOPMENT CO1 citations62

US7286700B2Oct 23, 2007

Rendering using at least two levels of gray

HEWLETT PACKARD DEVELOPMENT CO3 citations62

US11983832B2May 14, 2024

Compensating for dimensional variation in 3D printing

HEWLETT PACKARD DEVELOPMENT CO0 citations61

US11701836B2Jul 18, 2023

Modulating a three-dimensional printer system based on a selected mode

HEWLETT PACKARD DEVELOPMENT CO0 citations61

US11367245B2Jun 21, 2022

Transforming object data models to disperse object properties

HEWLETT PACKARD DEVELOPMENT CO0 citations61

US11214001B2Jan 4, 2022

Fusion inhibiting agents with colorants

HEWLETT PACKARD DEVELOPMENT CO0 citations61

US11097488B2Aug 24, 2021

Printer having print assembly

HEWLETT PACKARD DEVELOPMENT CO0 citations60

US11040329B2Jun 22, 2021

Density classifiers based on plane regions

HEWLETT PACKARD DEVELOPMENT CO0 citations60

US6952536B2Oct 4, 2005

Transmissive optical sensing of leading edges of media sheets advanced substantially adjacent to one another

HEWLETT PACKARD DEVELOPMENT CO2 citations60

US11221609B2Jan 11, 2022

Determining object volumes in virtual object space

HEWLETT PACKARD DEVELOPMENT CO0 citations58

US6948790B2Sep 27, 2005

Non-uniform resolutions for printing

HEWLETT PACKARD DEVELOPMENT CO2 citations57

US11351733B2Jun 7, 2022

Additive manufacturing

HEWLETT PACKARD DEVELOPMENT CO0 citations56

US10589464B2Mar 17, 2020

Spreader roller for additive manufacturing

HEWLETT PACKARD DEVELOPMENT CO0 citations52

US10326911B2Jun 18, 2019

Mitigating dot placement errors for a print job

HEWLETT PACKARD DEVELOPMENT CO0 citations52

US9358788B2Jun 7, 2016

Print head die

HEWLETT PACKARD DEVELOPMENT CO0 citations52

US9168739B2Oct 27, 2015

Print head die

HEWLETT PACKARD DEVELOPMENT CO1 citations52

HEWLETT PACKARD CO

4 patents

US6325483B1Dec 4, 2001

Techniques for increasing ink-jet pen identification information in an interconnect limited environment

HEWLETT PACKARD CO65 citations94

US6435641B1Aug 20, 2002

Media movement apparatus

HEWLETT PACKARD CO60 citations92

US6471426B1Oct 29, 2002

Method of propelling an inkjet printer carriage

HEWLETT PACKARD CO13 citations74

US6325559B1Dec 4, 2001

Single transmission state media handling for ejecting, picking and loading

HEWLETT PACKARD CO13 citations73

SHEPHERD MATTHEW A

3 patents

US8576450B2Nov 5, 2013

Replacing a defective colorant

SHEPHERD MATTHEW A20 citations91

US8770685B2Jul 8, 2014

Logical and virtual nozzle-fire-restart-line for fluid-ejection device

SHEPHERD MATTHEW A6 citations72

US6948797B2Sep 27, 2005

Non-uniform passes per raster

SHEPHERD MATTHEW A4 citations57

HEWLETT PACKARD DEVELOPMENT CO LP

2 patents

US9415585B1Aug 16, 2016

Dynamic power thresholds for printer device pens

HEWLETT PACKARD DEVELOPMENT CO LP21 citations87

US9849671B2Dec 26, 2017

Adjusting the firing times of a number of nozzles

HEWLETT PACKARD DEVELOPMENT CO LP1 citations52

UNIV WASHINGTON

1 patent

US5482305AJan 9, 1996

Shifting mechanism and quick release for multispeed wheelchair

UNIV WASHINGTON74 citations90

Showing the top 50 of 74 patents by PatentIndex Score.