Inventor
MARTENS MARCO
US22 patents
⚠️ This page may combine multiple inventors who share the name “MARTENS MARCO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IBM
21 patentsUS6450403B1Sep 17, 2002
Method and apparatus for depositing ordinary checks from home or office
IBM199 citations99
US6957337B1Oct 18, 2005
Method and apparatus for secure authorization and identification using biometrics without privacy invasion
IBM198 citations98
US6746053B1Jun 8, 2004
Method and system for preventing parallel marketing of wholesale and retail items
IBM81 citations98
US6954290B1Oct 11, 2005
Method and apparatus to correct distortion of document copies
IBM106 citations97
US6834344B1Dec 21, 2004
Semi-fragile watermarks
IBM85 citations97
US6807634B1Oct 19, 2004
Watermarks for customer identification
IBM78 citations97
US7188258B1Mar 6, 2007
Method and apparatus for producing duplication- and imitation-resistant identifying marks on objects, and duplication- and duplication- and imitation-resistant objects
IBM62 citations96
US6817538B2Nov 16, 2004
Method and system for preventing parallel marketing of wholesale and retail items
IBM20 citations93
US6678423B1Jan 13, 2004
Shift and/or merge of transformed data along two axes
IBM37 citations91
US7761715B1Jul 20, 2010
Semiotic system and method with privacy protection
IBM19 citations90
US6662148B1Dec 9, 2003
Computation of shapes of three-dimensional linkage structures based on optimization techniques
IBM27 citations88
US7215445B2May 8, 2007
Method and apparatus to correct distortion of document copies
IBM11 citations83
US6675185B1Jan 6, 2004
Hybrid domain processing of multi-dimensional transformed data
IBM18 citations83
US7171565B1Jan 30, 2007
Method and system for producing wise cards
IBM7 citations73
US6671414B1Dec 30, 2003
Shift and/or merge of transformed data along one axis
IBM12 citations72
US6873977B1Mar 29, 2005
Achieving buyer-seller anonymity for unsophisticated users under collusion amongst intermediaries
IBM10 citations71
US6603573B1Aug 5, 2003
Constrained digital halftoning
IBM11 citations71
US6738162B1May 18, 2004
Digital printer for avoiding moire patterns by using a dithering mask and angular rotation between print head and print medium to simulate analog printer halftoning of color images
IBM8 citations70
US7099523B2Aug 29, 2006
Method and system for scaling a signal sample rate
IBM4 citations62
US7474805B2Jan 6, 2009
Efficient scaling in transform domain
IBM4 citations61
US7298925B2Nov 20, 2007
Efficient scaling in transform domain
IBM2 citations61