Erwin Lob
10Patents
10h-index
14Co-inventors
65Inventor score
Filing activity: Dec 16, 1981 → Nov 17, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4765656A | Data carrier having an optical authenticity feature and methods for producing and testing said data carrier | Emerging Cross-Sectional Technologies | 250 | Expired |
| US4435834A | Method and means for determining the state and/or genuineness of flat articles | Physics | 103 | Expired |
| US5304789A | Multilayer card-shaped data carrier and method for producing same | Performing Operations; Transporting | 91 | Expired |
| US4766026A | Identification card with a visible authenticity feature and a method of manufacturing said card | Emerging Cross-Sectional Technologies | 53 | Expired |
| US5298922A | Multilayer data carrier and methods for writing on a multilayer data carrier | Performing Operations; Transporting | 43 | Expired |
| US4894110A | Identification card with a visible authenticity feature | Emerging Cross-Sectional Technologies | 42 | Expired |
| US5005872A | Multilayer identity card usable as a printing block and a method of producing it | Performing Operations; Transporting | 34 | Expired |
| US6135503A | Identification document | Emerging Cross-Sectional Technologies | 33 | Expired |
| US5122813A | Method of making a multilayer identification card usable as a printing block | Emerging Cross-Sectional Technologies | 31 | Expired |
| US4467209A | Method of producing identification cards and a device for carrying out same | Emerging Cross-Sectional Technologies | 30 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.