Inventor
KRAFT WALTER
CH18 patents
⚠️ This page may combine multiple inventors who share the name “KRAFT WALTER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GRETAG IMAGING AG
6 patentsUS5365353ANov 15, 1994
Procedure for making copies from photographic originals
GRETAG IMAGING AG15 citations73
US5798820AAug 25, 1998
Method for producing copies from photographic originals
GRETAG IMAGING AG11 citations71
US6341008B1Jan 22, 2002
Photographic copier
GRETAG IMAGING AG4 citations62
US6088136AJul 11, 2000
Method for producing index prints
GRETAG IMAGING AG3 citations61
US5953136ASep 14, 1999
Method for producing photographic copies from photographic originals
GRETAG IMAGING AG3 citations60
US6072604AJun 6, 2000
Method for calibrating a photographic copy printer
GRETAG IMAGING AG0 citations38
GRETAG IMAGING TRADING AG
4 patentsUS6954549B2Oct 11, 2005
Local digital image property control with masks
GRETAG IMAGING TRADING AG58 citations95
US6458492B1Oct 1, 2002
Mask changing the brightness profile of a photographic copy
GRETAG IMAGING TRADING AG8 citations73
US6498638B1Dec 24, 2002
Optimization apparatus for photographic image data
GRETAG IMAGING TRADING AG4 citations60
US6392739B1May 21, 2002
Method for optimizing a copying light profile
GRETAG IMAGING TRADING AG4 citations60
GRETAG SYSTEMS
4 patentsUS5016043AMay 14, 1991
Exposure control process and photographic color copying apparatus
GRETAG SYSTEMS21 citations78
US5036351AJul 30, 1991
Exposure control process and photographic color copying apparatus
GRETAG SYSTEMS9 citations73
US5115270AMay 19, 1992
Photographic color copying apparatus and exposure control process
GRETAG SYSTEMS7 citations72
US5087937AFeb 11, 1992
Photoelectric scanner
GRETAG SYSTEMS16 citations72