Inventor
OTT HANS
CH30 patents
⚠️ This page may combine multiple inventors who share the name “OTT HANS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GRETAG AG
14 patentsUS5068810ANov 26, 1991
Process for the determination of colorimetric differences between two screen pattern fields printed by a printing machine and process for the color control or ink regulation of the print of a printing machine
GRETAG AG59 citations96
US4671661AJun 9, 1987
Process, apparatus and color measuring strip for evaluating print quality
GRETAG AG59 citations96
US4665496AMay 12, 1987
Process and apparatus for the evaluation of the printing quality of a printed product by an offset printing machine
GRETAG AG46 citations96
US4660159AApr 21, 1987
Process and apparatus for the regulation of ink feed controls in an offset printing machine
GRETAG AG50 citations96
US4505589AMar 19, 1985
Process and apparatus for the colorimetric analysis of printed material
GRETAG AG157 citations96
US4649502AMar 10, 1987
Process and apparatus for evaluating printing quality and for regulating the ink feed controls in an offset printing machine
GRETAG AG84 citations93
US5206707AApr 27, 1993
Apparatus for the analysis of print control fields
GRETAG AG25 citations92
US4967379AOct 30, 1990
Process for the ink control or regulation of a printing machine by comparing desired color to obtainable color data
GRETAG AG39 citations92
US4961646AOct 9, 1990
Manual device for the detection of optical reflection properties
GRETAG AG33 citations91
US6084693AJul 4, 2000
Process and apparatus for the determination of halftone percentage values
GRETAG AG7 citations71
US5530563AJun 25, 1996
Process and apparatus for the determination of halftone percentage values
GRETAG AG13 citations71
US4645350AFeb 24, 1987
Densitometer
GRETAG AG12 citations71
US4390280AJun 28, 1983
Illumination control for a densitometer and density measuring device having such control
GRETAG AG8 citations71
USD357695SApr 25, 1995
Hand held unit for determining photometric data
GRETAG AG4 citations63
HEIDELBERGER DRUCKMASCH AG
7 patentsUS5182721AJan 26, 1993
Process and apparatus for controlling the inking process in a printing machine
HEIDELBERGER DRUCKMASCH AG190 citations99
US5957049ASep 28, 1999
Method controlling ink application in a printing press
HEIDELBERGER DRUCKMASCH AG42 citations91
US6028682AFeb 22, 2000
Scanning device for pixel-by-pixel photoelectric measurement of a measured object
HEIDELBERGER DRUCKMASCH AG33 citations89
US6469804B1Oct 22, 2002
Method of obtaining colorimetric values
HEIDELBERGER DRUCKMASCH AG15 citations84
US5967033AOct 19, 1999
Method of determining ink coverage in a print image
HEIDELBERGER DRUCKMASCH AG11 citations74
US4856903AAug 15, 1989
Electronic device for determining a register error in multi-color printing machines
HEIDELBERGER DRUCKMASCH AG15 citations72
US6012390AJan 11, 2000
Method for controlling the inking of a printing press by determining color value gradients
HEIDELBERGER DRUCKMASCH AG11 citations66
SANDOZ LTD
4 patentsUS4849423AJul 18, 1989
Purine derivatives, medicaments containing them and methods of treating cardiac insufficiencies and irregularities with them.
SANDOZ LTD7 citations74
US3966938AJun 29, 1976
Treatment of thrombosis and the inhibition of blood platelet aggregation
SANDOZ LTD11 citations66
US4372956AFeb 8, 1983
5, 10-Dihydroimidazo[2,1-b]quinazolines and pharmaceutical compositions containing them
SANDOZ LTD1 citations52
US4087530AMay 2, 1978
Substituted 6-phenyl-octahydrobenzo [c] [1,6] naphthyridines
SANDOZ LTD1 citations47