INFOCUS CORPORATION
221Patents
31Active
221Granted
45Portfolio score
Filing activity: Jul 31, 1998 → Nov 13, 2015 · 22 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6224216A | System and method employing LED light sources for a projection display | Physics | 245 | Expired |
| US6735616B1 | Method and apparatus for remote projector administration and control | Electricity | 132 | Expired |
| US7252385B2 | Projection LED cooling | Mechanical Engineering; Lighting; Heating | 84 | Expired |
| US6547396B1 | Stereographic projection system | Electricity | 67 | Expired |
| US6137638A | Projection zoom lens system and projector apparatus | Physics | 65 | Expired |
| US6419365B1 | Asymmetrical tunnel for spatially integrating light | Electricity | 63 | Expired |
| US6461025B1 | Lamp assembly with snap fit components | Physics | 62 | Expired |
| US7018043B2 | Projector device user interface system | Physics | 55 | Expired |
| USD531136S1 | Remote control for a projection device | General | 55 | Expired |
| US6520648B2 | Lamp power pulse modulation in color sequential projection displays | Electricity | 55 | Expired |
| US6860609B2 | Image-rendering device | Electricity | 54 | Expired |
| US7180475B2 | Method and apparatus for wireless image transmission to a projector | Physics | 50 | Expired |
| US6896375B2 | Rear projection display device having multiple mirrors that are substantially parallel to a screen | Physics | 48 | Expired |
| US6472828B1 | Control for projector lamp heat dissipation | Electricity | 47 | Expired |
| US7088321B1 | Method and apparatus for driving LED light sources for a projection display | Physics | 47 | Expired |
| US6155687A | Light guide for use in a color wheel display synchronization apparatus and method | Physics | 46 | Expired |
| US6661475B1 | Color video projection system employing reflective liquid crystal display device | Electricity | 44 | Expired |
| US6830340B2 | Image-rendering device | Physics | 41 | Expired |
| US6783252B1 | System and method for displaying projector system identification information | Electricity | 39 | Expired |
| US6334685B1 | Segmented light pipe apparatus and method for increasing luminous efficiency of single light-valve, color video projection displays | Electricity | 37 | Expired |
| US7350923B2 | Image-rendering device | Electricity | 35 | Expired |
| US6804055B2 | Fresnel lens for use with rear projection display | Physics | 34 | Expired |
| US6471356B1 | Portable image projection system having reduced weight and profile | Electricity | 33 | Expired |
| US7009765B2 | Wide angle lens system having a distorted intermediate image | Electricity | 33 | Expired |
| US7121670B2 | User-interface for a projection device | Electricity | 30 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.