Herbert Schafer
39Patents
10h-index
45Co-inventors
75Inventor score
Filing activity: Apr 17, 1978 → Feb 14, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6600200B1 | MOS transistor, method for fabricating a MOS transistor and method for fabricating two complementary MOS transistors | Electricity | 124 | Expired |
| US6215140A | Electrically programmable non-volatile memory cell configuration | Electricity | 38 | Expired |
| US7459365B2 | Method for fabricating a semiconductor component | Electricity | 19 | Active |
| US6040995A | Method of operating a storage cell arrangement | Electricity | 19 | Expired |
| US6159815A | Method of producing a MOS transistor | Electricity | 18 | Expired |
| US7449389B2 | Method for fabricating a semiconductor structure | Electricity | 15 | Active |
| US6127220A | Manufacturing method for a capacitor in an integrated storage circuit | Electricity | 13 | Expired |
| US6197666A | Method for the fabrication of a doped silicon layer | Electricity | 13 | Expired |
| US6204119A | Manufacturing method for a capacitor in an integrated memory circuit | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6995416B2 | Memory device for storing electrical charge and method for fabricating the same | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6117790A | Method for fabricating a capacitor for a semiconductor memory configuration | Electricity | 10 | Expired |
| US5866452A | Process for producing a silicon capacitor | Electricity | 10 | Expired |
| US6909141B2 | Method for producing a vertical semiconductor transistor component and vertical semiconductor transistor component | Electricity | 9 | Expired |
| US4162061A | Cooling element for a metallurgical furnace | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US6140177A | Process of forming a semiconductor capacitor including forming a hemispherical grain statistical mask with silicon and germanium | Emerging Cross-Sectional Technologies | 8 | Expired |
| US7612430B2 | Silicon bipolar transistor, circuit arrangement and method for producing a silicon bipolar transistor | Electricity | 7 | Expired |
| US7105415B2 | Method for the production of a bipolar transistor | Electricity | 7 | Expired |
| US7719088B2 | High-frequency bipolar transistor | Electricity | 7 | Expired |
| US7371650B2 | Method for producing a transistor structure | Electricity | 7 | Expired |
| US4218212A | Refractory front wall for industrial furnace | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US7420228B2 | Bipolar transistor comprising carbon-doped semiconductor | Electricity | 6 | Expired |
| US6133126A | Method for fabricating a dopant region | Electricity | 6 | Expired |
| US6635545B2 | Method for fabricating a bipolar transistor and method for fabricating an integrated circuit configuration having such a bipolar transistor | Electricity | 6 | Expired |
| US7285470B2 | Method for the production of a bipolar semiconductor component, especially a bipolar transistor, and corresponding bipolar semiconductor component | Electricity | 5 | Expired |
| US4491280A | Roller mill construction | Performing Operations; Transporting | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.