Ralph Wirth
79Patents
9h-index
66Co-inventors
81Inventor score
Filing activity: Sep 21, 2000 → Jun 22, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6784027B2 | Light-emitting semiconductor component | Electricity | 79 | Expired |
| US7135709B1 | Surface structured light-emitting diode with improved current coupling | Electricity | 49 | Expired |
| US6649939B1 | Light-emitting diode with a structured surface | Electricity | 34 | Expired |
| US6518601B2 | Light-emitting diode | Electricity | 23 | Expired |
| US8723192B2 | Method for producing an optoelectronic semiconductor component and optoelectronic semiconductor component | Electricity | 18 | Active |
| US6995030B2 | Semiconductor chip for optoelectronics | Electricity | 17 | Expired |
| US7109527B2 | Semiconductor chip for optoelectronics and method for production thereof | Electricity | 16 | Expired |
| US8835937B2 | Optoelectronic component, device comprising a plurality of optoelectronic components, and method for the production of an optoelectronic component | Electricity | 11 | Active |
| US7838892B2 | Optoelectronic semiconductor chip and method for forming a contact structure for making electrical contact with an optoelectronic semiconductor chip | Electricity | 11 | Expired |
| US8835931B2 | Optoelectronic component and method for producing an optoelectronic component | Electricity | 9 | Active |
| US7435999B2 | Semiconductor chip for optoelectronics and method for the production thereof | Electricity | 9 | Expired |
| US7283577B2 | Radiation-emitting semiconductor component | Electricity | 8 | Expired |
| US7692204B2 | Radiation emitting semi-conductor element | Electricity | 8 | Expired |
| US7663150B2 | Optoelectronic chip | Electricity | 6 | Active |
| US7145181B2 | Semiconductor chip for optoelectronics | Electricity | 6 | Expired |
| US8624289B2 | Optoelectronic component | Electricity | 5 | Active |
| US8563998B2 | Optoelectronic semiconductor component and method of producing an optoelectronic semiconductor component | Electricity | 5 | Active |
| US8003974B2 | LED semiconductor element having increased luminance | Electricity | 5 | Active |
| US9012926B2 | Radiation-emitting semiconductor component | Electricity | 5 | Active |
| US8067783B2 | Radiation-emitting chip comprising at least one semiconductor body | Electricity | 5 | Active |
| US8405104B2 | Luminescent diode chip with luminescence conversion element and angular filter element | Electricity | 5 | Active |
| US7884383B2 | Radiation emitting semiconductor chip | Electricity | 4 | Active |
| US9082944B2 | Optoelectronic semiconductor component and scattering body | Electricity | 4 | Active |
| US6900476B2 | Light-emitting semiconductor component | Electricity | 4 | Expired |
| US9559266B2 | Lighting apparatus including an optoelectronic component | Electricity | 4 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.