David Wicker
11Patents
4h-index
8Co-inventors
53Inventor score
Filing activity: Apr 19, 1993 → Feb 4, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5454598A | Tamper and copy protected documents | Performing Operations; Transporting | 24 | Expired |
| US9171347B2 | System and method for analysis and authentication of covert security information using a smart device | Physics | 5 | Active |
| US7845572B2 | Solid-color embedded security feature | Physics | 4 | Active |
| US9390460B2 | System and method for dynamic generation of embedded security features in a document | Physics | 4 | Active |
| US8444181B2 | Single-color screen patterns for copy protection | Electricity | 3 | Active |
| US10552846B2 | Authenticated barcode patterns | Physics | 3 | Active |
| US7976068B2 | Double-blind security features | Emerging Cross-Sectional Technologies | 2 | Active |
| US11167581B2 | Authentication hologram | Physics | 0 | Active |
| US9311583B2 | Barcode copy protection system | Emerging Cross-Sectional Technologies | 0 | Active |
| US11620658B2 | Authenticated barcode pattern | Physics | 0 | Active |
| US8282015B2 | Document with linked viewer file for correlated printing | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.