Robert E. Fischer
25Patents
17h-index
46Co-inventors
77Inventor score
Filing activity: May 1, 1989 → Dec 21, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5162828A | Display system for a head mounted viewing transparency | Physics | 263 | Expired |
| US6746124B2 | Flashlight producing uniform high brightness | Mechanical Engineering; Lighting; Heating | 77 | Expired |
| US6577387B2 | Inspection of ophthalmic lenses using absorption | Physics | 56 | Expired |
| US5430634A | Concentrating and collecting optical system using concave toroidal reflectors | Physics | 51 | Expired |
| US6606173B2 | Illumination device and method for laser projector | Electricity | 38 | Expired |
| US5642221A | Head mounted display system | Physics | 37 | Expired |
| US6172813A | Projection lens and system including a reflecting linear polarizer | Physics | 35 | Expired |
| US6473236B2 | Projection lens and system | Electricity | 35 | Expired |
| US6172816A | Optical component adjustment for mitigating tolerance sensitivities | Electricity | 33 | Expired |
| US5836667A | Concentrating and collecting optical system using concave toroidal reflectors | Physics | 32 | Expired |
| US7035017B2 | System and method for telecentric projection lenses | Physics | 32 | Expired |
| US6349004B1 | Head mounted display viewing optics with improved optical performance | Physics | 27 | Expired |
| US6220713A | Projection lens and system | Physics | 23 | Expired |
| US6185041A | Projection lens and system | Electricity | 23 | Expired |
| US6939009B2 | Compact work light with high illumination uniformity | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US6870650B2 | Illumination device and method for laser projector | Physics | 20 | Expired |
| US7077525B2 | Led-based flashlight | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US7554737B2 | Illumination device and method using adaptable source and output format | Physics | 17 | Active |
| US6280035A | Lens design to eliminate color fringing | Physics | 15 | Expired |
| US6239917A | Thermalization using optical components in a lens system | Physics | 13 | Expired |
| US6362922B1 | Projection lens and system | Physics | 8 | Expired |
| US6186648A | Concentrating and collecting optical system using concave toroidal reflectors | Physics | 6 | Expired |
| US7150530B2 | Variable spot size illuminator having a zoom lens | Human Necessities | 4 | Expired |
| US6795189B2 | Universal microplate analyzer | Physics | 4 | Expired |
| US8427636B2 | Cuvette for ophthalmic lens | Physics | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.