Inventor
JOHNSON CRAIG T
US11 patents
⚠️ This page may combine multiple inventors who share the name “JOHNSON CRAIG T”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HEWLETT PACKARD DEVELOPMENT CO
7 patentsUS7433096B2Oct 7, 2008
Scanning device calibration system and method
HEWLETT PACKARD DEVELOPMENT CO35 citations90
US6822766B2Nov 23, 2004
Correction for debris and low output photosensors in scroll fed scanner using stored initial calibration data
HEWLETT PACKARD DEVELOPMENT CO9 citations65
US9313353B2Apr 12, 2016
Scanner that detects debris
HEWLETT PACKARD DEVELOPMENT CO4 citations64
US7830560B2Nov 9, 2010
System and method for adaptive digital ramp current control
HEWLETT PACKARD DEVELOPMENT CO2 citations61
US11082567B2Aug 3, 2021
Rotatable scanner image sensors within sealed enclosures
HEWLETT PACKARD DEVELOPMENT CO0 citations59
US10623608B2Apr 14, 2020
Enhance highlighter color in scanned images
HEWLETT PACKARD DEVELOPMENT CO0 citations48
US10009510B2Jun 26, 2018
Scanner with a background
HEWLETT PACKARD DEVELOPMENT CO0 citations46
HEWLETT PACKARD CO
2 patentsUS5907742AMay 25, 1999
Lamp control scheme for rapid warmup of fluorescent lamp in office equipment
HEWLETT PACKARD CO208 citations96
US5434956AJul 18, 1995
Method and apparatus for printing an image in a specified positional relationship with a preprinted registration mark
HEWLETT PACKARD CO50 citations86