Quantor Corporation
15Patents
0Active
15Granted
31Portfolio score
Filing activity: Aug 29, 1974 → Sep 24, 1979
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4101919A | Film processing apparatus | Physics | 37 | Expired |
| US4281895A | Quick change lens mount | Emerging Cross-Sectional Technologies | 32 | Expired |
| US4185913A | Apparatus for recording multiple, superimposed, independent images on microfilm | Physics | 14 | Expired |
| US4052732A | Apparatus for developing and fixing heat sensitive film | Physics | 14 | Expired |
| US4161363A | Instantaneous exposure control for film | Physics | 13 | Expired |
| US4255037A | High speed, low temperature and pressure diazo processing apparatus | Physics | 12 | Expired |
| US4266855A | Quick change lens system | Physics | 9 | Expired |
| US4175858A | Film duplicator | Physics | 5 | Expired |
| US3958142A | Film duplicator | Physics | 4 | Expired |
| US4082439A | Film duplicator | Physics | 3 | Expired |
| US4150992A | High speed, low temperature and pressure diazo processing method | Physics | 3 | Expired |
| US4175854A | Microfiche recorder | Physics | 2 | Expired |
| US4147422A | Method and apparatus for evacuating aqueous ammonia vapor from film developing chambers | Physics | 2 | Expired |
| US4243310A | High speed, low temperature diazo processor | Physics | 1 | Expired |
| USRE29254E | Microfiche recorder and processor | General | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.