P

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 patents
US10328695B2Jun 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

CHOY SILAM J

3 patents

HEWLETT PACKARD DEVELOPMENT CO LP

2 patents

CHEN CHIEN-HUA

1 patent

CRUZ-URIBE TONY S

1 patent

WILSON RHONDA LYNN

1 patent

WALMSLEY ROBERT G

1 patent