Numonics Corporation
7Patents
0Active
7Granted
29Portfolio score
Filing activity: Oct 24, 1983 → Dec 20, 1996
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5737740A | Apparatus and method for processing electronic documents | Physics | 103 | Expired |
| US4963703A | Coordinate determining device using spatial filters | Physics | 61 | Expired |
| US5897648A | Apparatus and method for editing electronic documents | Physics | 59 | Expired |
| US4552991A | Absolute position coordinate determining device employing a single phase difference measurement to determine cursor position | Physics | 33 | Expired |
| US4570033A | Polyphase digitizer | Physics | 27 | Expired |
| US5760347A | Digitizer pen apparatus | Physics | 22 | Expired |
| US4853715A | Plotter head control device | Physics | 15 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.