IML Limited
🏢 View company profile →10Patents
4Active
10Granted
39Portfolio score
Filing activity: May 11, 1981 → Jun 15, 2012 · 3 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4439381A | Methods of preparing polyimides and artifacts composed thereof | Emerging Cross-Sectional Technologies | 35 | Expired |
| US4468431A | Polyimide composite | Emerging Cross-Sectional Technologies | 24 | Expired |
| US4506038A | Development of polyimide foams with blowing agents | Chemistry; Metallurgy | 19 | Expired |
| USD690695S1 | Communication handset | General | 17 | Active |
| US5870214A | Free space communications system employing line of sight radiation | Electricity | 9 | Expired |
| US7533813B2 | Wireless voting method | Physics | 5 | Active |
| US8265543B2 | Participant response system and method | Electricity | 3 | Active |
| US8326210B2 | Participant response system and method | Electricity | 3 | Expired |
| USD656938S1 | Communications equipment | General | 2 | Expired |
| US8666301B2 | Participant response system and method | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.