Inventor
RICHARDS PAUL A
US17 patents
⚠️ This page may combine multiple inventors who share the name “RICHARDS PAUL A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HEWLETT PACKARD DEVELOPMENT CO
13 patentsUS6985254B2Jan 10, 2006
Calibration of a multi color imaging system using a predicted color shift
HEWLETT PACKARD DEVELOPMENT CO13 citations83
US9901952B2Feb 27, 2018
Fluid ejection apparatus with filter
HEWLETT PACKARD DEVELOPMENT CO6 citations82
US10632743B2Apr 28, 2020
Fluid ejection device
HEWLETT PACKARD DEVELOPMENT CO4 citations72
US10500850B2Dec 10, 2019
Fluid ejection device
HEWLETT PACKARD DEVELOPMENT CO2 citations72
US10828908B2Nov 10, 2020
Fluid ejection device
HEWLETT PACKARD DEVELOPMENT CO1 citations71
US10189047B2Jan 29, 2019
Fluid ejection apparatus with fluid supply floor filter
HEWLETT PACKARD DEVELOPMENT CO1 citations71
US10112407B2Oct 30, 2018
Fluid ejection device
HEWLETT PACKARD DEVELOPMENT CO3 citations71
US11230097B2Jan 25, 2022
Fluid ejection device
HEWLETT PACKARD DEVELOPMENT CO0 citations62
US11440331B2Sep 13, 2022
Fluid ejection device
HEWLETT PACKARD DEVELOPMENT CO0 citations60
US10717274B2Jul 21, 2020
Fluid ejection device
HEWLETT PACKARD DEVELOPMENT CO0 citations51
US10532580B2Jan 14, 2020
Fluid ejection apparatus with vertical inlet/outlet and fluid pump
HEWLETT PACKARD DEVELOPMENT CO0 citations51
US10336070B2Jul 2, 2019
Fluid ejection device with a fluid recirculation channel
HEWLETT PACKARD DEVELOPMENT CO0 citations51
US10252527B2Apr 9, 2019
Noncircular inkjet nozzle
HEWLETT PACKARD DEVELOPMENT CO0 citations51