Helmut Jorke
12Patents
9h-index
8Co-inventors
65Inventor score
Filing activity: Dec 1, 1986 → Sep 4, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6283597A | Method and facility for light-beam projection of images on a screen | Electricity | 118 | Expired |
| US4710788A | Modulation doped field effect transistor with doped Si.sub.x Ge.sub.1-x -intrinsic Si layering | Electricity | 85 | Expired |
| US6698890B1 | Device for projecting a color image | Electricity | 41 | Expired |
| US7001021B2 | Device for projecting a stereo color image | Electricity | 39 | Expired |
| US6867775B2 | Method and device for displaying a multidimensional image of an object | Electricity | 23 | Expired |
| US4806502A | Method for doping semi-conductor material during epitaxial growth | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4857972A | Impatt diode | Electricity | 10 | Expired |
| US5798539A | Bipolar transistor for very high frequencies | Electricity | 9 | Expired |
| US4843028A | Method for producing a spatially periodic semiconductor layer structure | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6255674A | Silicon-germanium heterobipolar transistor with a step-wise graded base | Electricity | 5 | Expired |
| US9703108B2 | Eye-glasses for viewing stereoscopic images or a perspective sub-image of same | Electricity | 1 | Active |
| US9116356B2 | System for reproducing stereographic images | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.