Babak Tehranchi
33Patents
23h-index
13Co-inventors
82Inventor score
Filing activity: Feb 2, 1996 → Jul 10, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7242772B1 | Encryption apparatus and method for synchronizing multiple encryption keys with a data stream | Electricity | 185 | Expired |
| US7369677B2 | System reactions to the detection of embedded watermarks in a digital host content | Electricity | 172 | Active |
| US6381418B1 | Print having information associated with the print stored in a memory coupled to the print | Electricity | 135 | Expired |
| US6634814B2 | Printer media supply spool adapted to allow the printer to sense type of media, and method of assembling same | Performing Operations; Transporting | 108 | Expired |
| US6363239B1 | Print having attached audio data storage and method of providing same | Physics | 107 | Expired |
| US6099178A | Printer with media supply spool adapted to sense type of media, and method of assembling same | Performing Operations; Transporting | 90 | Expired |
| US6112324A | Direct access compact disc, writing and reading method and device for same | Emerging Cross-Sectional Technologies | 70 | Expired |
| US8538066B2 | Asymmetric watermark embedding/extraction | Electricity | 64 | Active |
| US9055239B2 | Signal continuity assessment using embedded watermarks | Electricity | 62 | Active |
| US7788684B2 | Media monitoring, management and information system | Electricity | 61 | Active |
| US7043019B2 | Copy protection for digital motion picture image data | Electricity | 60 | Expired |
| US8781967B2 | Watermarking in an encrypted domain | Physics | 58 | Active |
| US7616776B2 | Methods and apparatus for enhancing the robustness of watermark extraction from digital host content | Electricity | 57 | Active |
| US6809792B1 | Spectral watermarking for motion picture image data | Electricity | 50 | Expired |
| US6873435B1 | Print having encoded metadata coupled thereto | Electricity | 45 | Expired |
| US8806517B2 | Media monitoring, management and information system | Electricity | 44 | Active |
| US8811655B2 | Circumvention of watermark analysis in a host content | Electricity | 43 | Active |
| US8280103B2 | System reactions to the detection of embedded watermarks in a digital host content | Electricity | 42 | Active |
| US8340348B2 | Methods and apparatus for thwarting watermark detection circumvention | Electricity | 39 | Active |
| US8321679B2 | Pre-processed information embedding system | Emerging Cross-Sectional Technologies | 38 | Active |
| US7644282B2 | Pre-processed information embedding system | Emerging Cross-Sectional Technologies | 38 | Active |
| US8103049B2 | System reactions to the detection of embedded watermarks in a digital host content | Electricity | 31 | Active |
| US8005258B2 | Methods and apparatus for enhancing the robustness of watermark extraction from digital host content | Electricity | 27 | Active |
| US9648282B2 | Media monitoring, management and information system | Electricity | 19 | Active |
| US6628316B1 | Printer with donor and receiver media supply trays each adapted to allow a printer to sense type of media therein, and method of assembling the printer and trays | Performing Operations; Transporting | 9 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.