Imax Systems Corporation
13Patents
0Active
13Granted
29Portfolio score
Filing activity: Aug 6, 1981 → Oct 30, 1990
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5002387A | Projection synchronization system | Electricity | 60 | Expired |
| US4406519A | Projection screen assembly | Physics | 28 | Expired |
| US4971435A | 3-D motion picture projection apparatus | Physics | 25 | Expired |
| US4441796A | Film support element assembly | Physics | 23 | Expired |
| US4966454A | 3-D motion picture projector | Physics | 21 | Expired |
| US4957361A | Method of producing and displaying a 3-D motion picture | Physics | 13 | Expired |
| US4835555A | Film transport apparatus | Physics | 13 | Expired |
| US4534630A | Wide film transport and register movement | Physics | 10 | Expired |
| US4997270A | Projected image alignment method and apparatus | Physics | 9 | Expired |
| US4365877A | Field flattener lens element assembly | Physics | 9 | Expired |
| US4993828A | Camera and method of producing and displaying a 3-D motion picture | Physics | 6 | Expired |
| USD322797S | 3-D glasses | General | 5 | Expired |
| US5050985A | Film deceleration unit | Physics | 4 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.