Inventor
CHOY SILAM J
US34 patents
⚠️ This page may combine multiple inventors who share the name “CHOY SILAM J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HEWLETT PACKARD DEVELOPMENT CO
25 patentsUS10328695B2Jun 25, 2019
Fluid manifold
HEWLETT PACKARD DEVELOPMENT CO3 citations73
US10029467B2Jul 24, 2018
Molded printhead
HEWLETT PACKARD DEVELOPMENT CO2 citations73
US10369790B2Aug 6, 2019
Fluid dispenser
HEWLETT PACKARD DEVELOPMENT CO2 citations72
US11541659B2Jan 3, 2023
Molded printhead
HEWLETT PACKARD DEVELOPMENT CO0 citations62
US11383230B2Jul 12, 2022
Monolithic carrier structure including fluid routing for digital dispensing
HEWLETT PACKARD DEVELOPMENT CO0 citations62
US11364492B2Jun 21, 2022
Monolithic carrier structure for digital dispensing
HEWLETT PACKARD DEVELOPMENT CO0 citations62
US11130339B2Sep 28, 2021
Molded fluid flow structure
HEWLETT PACKARD DEVELOPMENT CO0 citations62
US11931738B2Mar 19, 2024
Sequenced droplet ejection to deliver fluids
HEWLETT PACKARD DEVELOPMENT CO0 citations60
US10589530B2Mar 17, 2020
Printer cartridge with multiple backpressure chambers
HEWLETT PACKARD DEVELOPMENT CO1 citations58
US10836169B2Nov 17, 2020
Molded printhead
HEWLETT PACKARD DEVELOPMENT CO0 citations52
US10603911B2Mar 31, 2020
Printhead
HEWLETT PACKARD DEVELOPMENT CO0 citations52
US10479081B2Nov 19, 2019
Printhead with flexible substrate
HEWLETT PACKARD DEVELOPMENT CO0 citations52
US10232620B2Mar 19, 2019
Printhead with s-shaped die
HEWLETT PACKARD DEVELOPMENT CO0 citations52
US10195851B2Feb 5, 2019
Printhead die
HEWLETT PACKARD DEVELOPMENT CO0 citations52
US9925789B2Mar 27, 2018
Regulator component
HEWLETT PACKARD DEVELOPMENT CO0 citations52
US9902162B2Feb 27, 2018
Molded print bar
HEWLETT PACKARD DEVELOPMENT CO0 citations52
US10500858B2Dec 10, 2019
Printed circuit board fluid ejection apparatus
HEWLETT PACKARD DEVELOPMENT CO0 citations51
US9962936B2May 8, 2018
Printed circuit board fluid ejection apparatus
HEWLETT PACKARD DEVELOPMENT CO1 citations51
US9908327B2Mar 6, 2018
Printhead assembly
HEWLETT PACKARD DEVELOPMENT CO0 citations51
US11813610B2Nov 14, 2023
Microfluidic devices
HEWLETT PACKARD DEVELOPMENT CO0 citations50
US10603922B2Mar 31, 2020
Vent
HEWLETT PACKARD DEVELOPMENT CO0 citations50
US6877840B2Apr 12, 2005
Fluid-ejection assembly
HEWLETT PACKARD DEVELOPMENT CO0 citations50
US10189257B2Jan 29, 2019
Print bar structure
HEWLETT PACKARD DEVELOPMENT CO0 citations49
US10195852B2Feb 5, 2019
Printhead assembly
HEWLETT PACKARD DEVELOPMENT CO0 citations47
US7677706B2Mar 16, 2010
Electrostatic actuator and fabrication method
HEWLETT PACKARD DEVELOPMENT CO0 citations40