Inventor
CHOY SI-LAM
US17 patents
Patents
17 patentsUS7658470B1Feb 9, 2010
Method of using a flexible circuit
HEWLETT PACKARD DEVELOPMENT CO72 citations97
US11292265B2Apr 5, 2022
Fluid circulation and ejection
HEWLETT PACKARD DEVELOPMENT CO2 citations73
US11065883B2Jul 20, 2021
Cross-die recirculation channels and chamber recirculation channels
HEWLETT PACKARD DEVELOPMENT CO2 citations73
US11691431B2Jul 4, 2023
Fluid circulation and ejection
HEWLETT PACKARD DEVELOPMENT CO0 citations62
US11390075B2Jul 19, 2022
Fluidic dies
HEWLETT PACKARD DEVELOPMENT CO1 citations62
US11059291B2Jul 13, 2021
Fluidic ejection dies with enclosed cross-channels
HEWLETT PACKARD DEVELOPMENT CO0 citations62
US11925932B2Mar 12, 2024
Microfluidic devices
HEWLETT PACKARD DEVELOPMENT CO0 citations61
US11441977B2Sep 13, 2022
Biological fluid dilution devices
HEWLETT PACKARD DEVELOPMENT CO0 citations61
US11331923B2May 17, 2022
Fluidic cartridges
HEWLETT PACKARD DEVELOPMENT CO0 citations61
US11207894B2Dec 28, 2021
Bubblers to provide sequential fluid flow
HEWLETT PACKARD DEVELOPMENT CO0 citations61
US11155094B2Oct 26, 2021
Rotatable service assembly for fluid ejection die
HEWLETT PACKARD DEVELOPMENT CO0 citations61
US6626518B2Sep 30, 2003
Bending a tab flex circuit via cantilevered leads
HEWLETT PACKARD DEVELOPMENT CO5 citations61
US11987055B2May 21, 2024
Fluidic dies
HEWLETT PACKARD DEVELOPMENT CO0 citations59
US11325385B2May 10, 2022
Fluidic dies
HEWLETT PACKARD DEVELOPMENT CO0 citations59
US11597646B2Mar 7, 2023
Microfluidic device with manifold
HEWLETT PACKARD DEVELOPMENT CO0 citations51
US6779869B2Aug 24, 2004
Printhead nozzle alignment in a printing system
HEWLETT PACKARD DEVELOPMENT CO1 citations51
US12233415B2Feb 25, 2025
Microfluidic reaction chamber for amplification of nucleic acids
HEWLETT PACKARD DEVELOPMENT CO0 citations47