Digimarc Corporation
1,407Patents
1,008Active
1,407Granted
63Portfolio score
Filing activity: Oct 21, 1994 → Jun 10, 2024 · 372 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6122403A | Computer system linked by using information in data objects | Electricity | 1,130 | Expired |
| US5862260A | Methods for surveying dissemination of proprietary empirical data | Electricity | 1,126 | Expired |
| US6614914B1 | Watermark embedder and reader | Electricity | 936 | Expired |
| US6311214A | Linking of computers based on optical sensing of digital data | Electricity | 931 | Expired |
| US6505160B1 | Connected audio and other media objects | Electricity | 858 | Expired |
| US5636292A | Steganography methods employing embedded calibration data | Physics | 805 | Expired |
| US6947571B1 | Cell phones with optical capabilities, and related applications | Electricity | 765 | Expired |
| US6411725B1 | Watermark enabled video objects | Electricity | 726 | Expired |
| US5841978A | Network linking method using steganographically embedded data objects | Electricity | 664 | Expired |
| US5768426A | Graphics processing system employing embedded code signals | Electricity | 623 | Expired |
| US5832119A | Methods for controlling systems using control signals embedded in empirical data | Electricity | 576 | Expired |
| US5748783A | Method and apparatus for robust information coding | Emerging Cross-Sectional Technologies | 567 | Expired |
| US6590996B1 | Color adaptive watermarking | Electricity | 504 | Expired |
| US6345104B1 | Digital watermarks and methods for security documents | Emerging Cross-Sectional Technologies | 499 | Expired |
| US5822436A | Photographic products and methods employing embedded information | Emerging Cross-Sectional Technologies | 480 | Expired |
| US6829368B2 | Establishing and interacting with on-line media collections using identifiers in media signals | Physics | 442 | Expired |
| US5850481A | Steganographic system | Electricity | 425 | Expired |
| US5748763A | Image steganography system featuring perceptually adaptive and globally scalable signal embedding | Emerging Cross-Sectional Technologies | 418 | Expired |
| US6650761B1 | Watermarked business cards and methods | Electricity | 408 | Expired |
| US5841886A | Security system for photographic identification | Electricity | 392 | Expired |
| US8135166B2 | Embedding geo-location information in media | Physics | 383 | Active |
| US7289643B2 | Method, apparatus and programs for generating and utilizing content signatures | Electricity | 380 | Expired |
| US6611607B1 | Integrating digital watermarks in multimedia content | Electricity | 373 | Expired |
| US5710834A | Method and apparatus responsive to a code signal conveyed through a graphic image | Physics | 356 | Expired |
| US6286036A | Audio- and graphics-based linking to internet | Electricity | 351 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.