IRI
🏢 View company profile →4Patents
1Active
4Granted
34Portfolio score
Filing activity: Oct 21, 1980 → Nov 27, 2017
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4331974A | Cable television with controlled signal substitution | Electricity | 407 | Expired |
| US4404589A | Cable television with multi-event signal substitution | Electricity | 195 | Expired |
| US4331973A | Panelist response scanning system | Electricity | 180 | Expired |
| US10197686B1 | Systems and methods for high voltage conversion and multiplication for ionizing radiation detectors | Physics | 1 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.