Inventor
MURAKAMI SHIGEO
JP19 patents
⚠️ This page may combine multiple inventors who share the name “MURAKAMI SHIGEO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DAINIPPON SCREEN MFG
16 patentsUS5982946ANov 9, 1999
Method of identifying defective pixels in digital images, and method of correcting the defective pixels, and apparatus and recording media therefor
DAINIPPON SCREEN MFG77 citations96
US5896469AApr 20, 1999
Image sharpness processing method and apparatus
DAINIPPON SCREEN MFG22 citations92
US5793501AAug 11, 1998
Contrast correcting apparatus
DAINIPPON SCREEN MFG30 citations92
US5335097AAug 2, 1994
Color tone correcting apparatus
DAINIPPON SCREEN MFG53 citations92
US5062144AOct 29, 1991
Method of obtaining white reference data used for correcting non-uniformity in photoelectric cell array
DAINIPPON SCREEN MFG25 citations92
US4712134ADec 8, 1987
Image reader with plural pickup elements reading overlapping image regions of an original image
DAINIPPON SCREEN MFG27 citations92
US6069981AMay 30, 2000
Image conversion method and record medium
DAINIPPON SCREEN MFG17 citations84
US5442717AAug 15, 1995
Sharpness processing apparatus
DAINIPPON SCREEN MFG8 citations73
US5204919AApr 20, 1993
Method of and apparatus for performing detail enhancement
DAINIPPON SCREEN MFG18 citations73
US4868671ASep 19, 1989
Method of and apparatus for noise reduction in multi-gradation image signal in halftone image reader
DAINIPPON SCREEN MFG11 citations73
US6732645B2May 11, 2004
Method of presetting ink
DAINIPPON SCREEN MFG10 citations71
US7418114B2Aug 26, 2008
Print tone measuring method
DAINIPPON SCREEN MFG4 citations62
US4821110AApr 11, 1989
Method of and apparatus for correcting a read position error in subscanning direction of a line image sensor
DAINIPPON SCREEN MFG2 citations62
US6792863B2Sep 21, 2004
Printing apparatus for automatically controlling ink supply device
DAINIPPON SCREEN MFG5 citations61
US6769361B2Aug 3, 2004
Printing machine for controlling feeding rates by color density measurement
DAINIPPON SCREEN MFG2 citations61
US6976425B2Dec 20, 2005
Ink feeding rate control method and an ink feeding rate control apparatus
DAINIPPON SCREEN MFG5 citations60