Gregor Grauvogl
12Patents
6h-index
12Co-inventors
63Inventor score
Filing activity: Oct 27, 1995 → Oct 19, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6294241A | Security document and method of producing it | Emerging Cross-Sectional Technologies | 43 | Expired |
| US6382677B1 | Security element and method for producing same | Emerging Cross-Sectional Technologies | 41 | Expired |
| US6726813B2 | Security device and method for producing it | Emerging Cross-Sectional Technologies | 33 | Expired |
| US5820971A | Security document and method of producing it | Emerging Cross-Sectional Technologies | 33 | Expired |
| US6284396A | Transfer band | Emerging Cross-Sectional Technologies | 8 | Expired |
| US8616584B2 | Value document, production and verification of value documents | Performing Operations; Transporting | 6 | Active |
| US7999237B2 | Valuable document | Performing Operations; Transporting | 4 | Active |
| US6376017B1 | Method and device for producing a foil material | Performing Operations; Transporting | 3 | Expired |
| US9878573B2 | Authenticity feature in the form of luminescent substances | Physics | 2 | Active |
| US9987874B2 | Authenticity feature in the form of luminescent substances | Physics | 2 | Active |
| US8367188B2 | Authenticity mark in the form of luminescent substances | Emerging Cross-Sectional Technologies | 1 | Active |
| US10836198B2 | Securing the authenticity of value documents by means of characteristic substances | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.