Inventor · Birkenfeld, DE

Frank Pfirsch

146Patents
14h-index
96Co-inventors
89Inventor score

Filing activity: Jul 1, 1991 → Feb 28, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US7538412B2 Semiconductor device with a field stop zone Electricity 137 Active
US6201279A Semiconductor component having a small forward voltage and high blocking ability Electricity 117 Expired
US6465869B2 Compensation component and process for producing the compensation component Electricity 87 Expired
US6720616B2 Trench MOS transistor Electricity 61 Expired
US8643085B2 High-voltage-resistant semiconductor component having vertically conductive semiconductor body areas and a trench structure Electricity 51 Active
US6803627B2 Reverse-blocking power semiconductor component having a region short-circuited to a drain-side part of a body zone Electricity 31 Expired
US6320205A Edge termination for a semiconductor component, a schottky diode having an edge termination, and a method for producing the schottky diode Electricity 23 Expired
US6541818B2 Field-effect transistor configuration with a trench-shaped gate electrode and an additional highly doped layer in the body region Electricity 21 Expired
US6815769B2 Power semiconductor component, IGBT and field-effect transistor Electricity 20 Expired
US7459365B2 Method for fabricating a semiconductor component Electricity 19 Active
US8384151B2 Semiconductor device and a reverse conducting IGBT Electricity 17 Active
US7173306B2 Vertical semiconductor component having a drift zone having a field electrode, and method for fabricating such a drift zone Electricity 14 Expired
US7655975B2 Power trench transistor Electricity 14 Expired
US5736445A Method for producing at least two transsistors in a semiconductor body Electricity 14 Expired
US6445048B1 Semiconductor configuration having trenches for isolating doped regions Electricity 12 Expired
US6064103A Device with a P-N junction and a means of reducing the risk of breakdown of the junction Electricity 10 Expired
US6762440B1 Semiconductor component and corresponding test method Electricity 10 Expired
US7696600B2 IGBT device and related device having robustness under extreme conditions Electricity 9 Active
US7436023B2 High blocking semiconductor component comprising a drift section Electricity 9 Active
US6531748B2 Semiconductor power component with a reduced parasitic bipolar transistor Electricity 9 Expired
US7893486B2 Field plate trench transistor and method for producing it Electricity 9 Active
US6924532B2 Field-effect power transistor Electricity 8 Expired
US8264033B2 Semiconductor device having a floating semiconductor zone Electricity 8 Active
US5204273A Method for the manufacturing of a thyristor with defined lateral resistor Electricity 8 Expired
US7586161B2 Edge structure with voltage breakdown in the linear region Electricity 7 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.