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Inventor

OUCHIDA DONALD B

US8 patents
⚠️ This page may combine multiple inventors who share the name “OUCHIDA DONALD B”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HEWLETT PACKARD CO

3 patents
US5936650AAug 10, 1999

Ink delivery system for ink-jet pens

HEWLETT PACKARD CO162 citations98
US5565900AOct 15, 1996

Unit print head assembly for ink-jet printing

HEWLETT PACKARD CO387 citations98
US6305786B1Oct 23, 2001

Unit print head assembly for an ink-jet printer

HEWLETT PACKARD CO33 citations92

HEWLETT PACKARD DEVELOPMENT CO

2 patents
US6739687B1May 25, 2004

System and method for positioning print heads based on print job

HEWLETT PACKARD DEVELOPMENT CO13 citations80
US6860425B2Mar 1, 2005

Postage meter indicia verification apparatus and method

HEWLETT PACKARD DEVELOPMENT CO1 citations48

HEWLETT PACKARD CORP

1 patent
US5388326AFeb 14, 1995

Self aligning orifice construction for thermal ink-jet printheads

HEWLETT PACKARD CORP17 citations73

WAGNER WILLIAM R

1 patent
US8678571B2Mar 25, 2014

Fluid ejection cartridge

WAGNER WILLIAM R3 citations52

URLAUB KEVIN J

1 patent
US8651645B2Feb 18, 2014

Print cartridge identification system and method

URLAUB KEVIN J1 citations38