Rudolf Bartels
10Patents
2h-index
1Co-inventors
40Inventor score
Filing activity: Oct 15, 2002 → Apr 27, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7262881B2 | Method to determine a characteristic of a printing system | Performing Operations; Transporting | 5 | Expired |
| US9830500B2 | Decoder and encoder for a digital fingerprint code | Physics | 2 | Active |
| US10242246B2 | Decoder and encoder for a digital fingerprint code | Physics | 2 | Active |
| US11667115B2 | Digital halftoning with spiral dots | Performing Operations; Transporting | 1 | Active |
| US11915072B2 | Digital halftoning with spiral dots | Electricity | 0 | Active |
| US10471759B2 | Manufacturing of a security document | Electricity | 0 | Active |
| US11687739B2 | Decoder and encoder for a digital fingerprint code | Physics | 0 | Active |
| US10710393B2 | Manufacturing of a security document | Electricity | 0 | Active |
| US11568189B2 | Digital halftoning with dots representing a spiral | Performing Operations; Transporting | 0 | Active |
| US10453230B2 | Security pattern generation method | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.