Optical Security Group, Inc.
🏢 View company profile →8Patents
0Active
8Granted
26Portfolio score
Filing activity: Jul 16, 1993 → Jun 7, 2005
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5913543A | Tamper evident and counterfeit resisting informational article and associated method | Performing Operations; Transporting | 32 | Expired |
| US5595624A | Method of making tamper evident and counterfeit resisting informational article | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5704652A | Tamper evident and counterfeit resisting informational article and associated method | Emerging Cross-Sectional Technologies | 6 | Expired |
| US7269123B2 | Wavelength selective coatings for optical disc security | Physics | 6 | Expired |
| US6129975A | Tamper resistant vehicular validation tab and associated method | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5948555A | Tamper resistant vehicular validation tab having differential adhesive properties | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5763052A | Informational article and an associated method | Emerging Cross-Sectional Technologies | 2 | Expired |
| US5716482A | Informational article and an associated method | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.