Evans & Sutherland Computer Corporation
106Patents
9Active
106Granted
42Portfolio score
Filing activity: Sep 24, 1981 → May 2, 2017 · 5 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5572229A | Head-mounted projection display system featuring beam splitter and method of making same | Physics | 219 | Expired |
| US4855934A | System for texturing computer graphics images | Physics | 119 | Expired |
| US6437789B1 | Multi-level cache controller | Physics | 117 | Expired |
| US4625289A | Computer graphics system of general surface rendering by exhaustive sampling | Physics | 116 | Expired |
| US5699497A | Rendering global macro texture, for producing a dynamic image, as on computer generated terrain, seen from a moving viewpoint | Physics | 109 | Expired |
| US4918626A | Computer graphics priority system with antialiasing | Physics | 105 | Expired |
| US5651104A | Computer graphics system and process for adaptive supersampling | Physics | 100 | Expired |
| US5818456A | Computer graphics system with adaptive pixel multisampler | Physics | 99 | Expired |
| US5361386A | System for polygon interpolation using instantaneous values in a variable | Physics | 98 | Expired |
| US5579456A | Direct rendering of textured height fields | Physics | 87 | Expired |
| US5748867A | Image texturing system having theme cells | Physics | 83 | Expired |
| US4763280A | Curvilinear dynamic image generation system | Physics | 83 | Expired |
| US4646251A | Computer graphics, parametric patch parallel subdivision processor | Physics | 78 | Expired |
| US5870098A | Method for rendering shadows on a graphical display | Physics | 75 | Expired |
| US4954819A | Computer graphics windowing system for the display of multiple dynamic images | Physics | 65 | Expired |
| US5408606A | Computer graphics system with parallel processing using a switch structure | Physics | 64 | Expired |
| US6052125A | Method for reducing the rendering load for high depth complexity scenes on a computer graphics display | Physics | 61 | Expired |
| US5561745A | Computer graphics for animation by time-sequenced textures | Physics | 59 | Expired |
| US4873515A | Computer graphics pixel processing system | Physics | 58 | Expired |
| US5598517A | Computer graphics pixel rendering system with multi-level scanning | Physics | 55 | Expired |
| US5734386A | System and method for displaying textured polygons using planar texture interpolation | Physics | 55 | Expired |
| US5943060A | Computer graphics system with adaptive pixel multisampler | Physics | 53 | Expired |
| US5841447A | System and method for improving pixel update performance | Physics | 53 | Expired |
| US4974155A | Variable delay branch system | Physics | 52 | Expired |
| US5574847A | Computer graphics parallel system with temporal priority | Physics | 47 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.