Marco Martens
22Patents
10h-index
48Co-inventors
71Inventor score
Filing activity: Oct 29, 1998 → Mar 19, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6450403B1 | Method and apparatus for depositing ordinary checks from home or office | Physics | 175 | Expired |
| US6957337B1 | Method and apparatus for secure authorization and identification using biometrics without privacy invasion | Electricity | 128 | Expired |
| US6834344B1 | Semi-fragile watermarks | Electricity | 63 | Expired |
| US6954290B1 | Method and apparatus to correct distortion of document copies | Electricity | 57 | Expired |
| US7188258B1 | Method and apparatus for producing duplication- and imitation-resistant identifying marks on objects, and duplication- and duplication- and imitation-resistant objects | Electricity | 46 | Expired |
| US6807634B1 | Watermarks for customer identification | Electricity | 45 | Expired |
| US6746053B1 | System for preventing parallel marketing of retail items | Emerging Cross-Sectional Technologies | 44 | Expired |
| US6817538B2 | Method and system for preventing parallel marketing of wholesale and retail items | Emerging Cross-Sectional Technologies | 21 | Expired |
| US6678423B1 | Shift and/or merge of transformed data along two axes | Electricity | 19 | Expired |
| US7761715B1 | Semiotic system and method with privacy protection | Electricity | 13 | Expired |
| US6662148B1 | Computation of shapes of three-dimensional linkage structures based on optimization techniques | Physics | 9 | Expired |
| US6675185B1 | Hybrid domain processing of multi-dimensional transformed data | Physics | 8 | Expired |
| US6671414B1 | Shift and/or merge of transformed data along one axis | Electricity | 8 | Expired |
| US7215445B2 | Method and apparatus to correct distortion of document copies | Electricity | 6 | Expired |
| US6603573B1 | Constrained digital halftoning | Electricity | 4 | Expired |
| US6873977B1 | Achieving buyer-seller anonymity for unsophisticated users under collusion amongst intermediaries | Physics | 4 | Expired |
| US7171565B1 | Method and system for producing wise cards | Electricity | 4 | Expired |
| US7474805B2 | Efficient scaling in transform domain | Physics | 3 | Active |
| US6738162B1 | 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 | Electricity | 3 | Expired |
| US7099523B2 | Method and system for scaling a signal sample rate | Physics | 3 | Expired |
| US7298925B2 | Efficient scaling in transform domain | Physics | 2 | Expired |
| US8200982B2 | Semiotic system and method with privacy protection | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.