Inventor · Hersbruck, DE

Helmut Strack

76Patents
15h-index
73Co-inventors
87Inventor score

Filing activity: Dec 9, 1976 → Mar 10, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US6184555A Field effect-controlled semiconductor component Electricity 273 Expired
US7538412B2 Semiconductor device with a field stop zone Electricity 137 Active
US6630698B1 High-voltage semiconductor component Electricity 76 Expired
US7879699B2 Wafer and a method for manufacturing a wafer Emerging Cross-Sectional Technologies 63 Active
US6852567B1 Method of assembling a semiconductor device package Electricity 62 Expired
US7759163B2 Semiconductor module Electricity 35 Active
US6504230B2 Compensation component and method for fabricating the compensation component Electricity 35 Expired
US6870201B1 High voltage resistant edge structure for semiconductor components Electricity 35 Expired
US6828609B2 High-voltage semiconductor component Electricity 29 Expired
US6649459B2 Method for manufacturing a semiconductor component Electricity 25 Expired
US4893165A Bipolar transistor controllable by field effect Electricity 20 Expired
US6960798B2 High-voltage semiconductor component Electricity 19 Expired
US7800217B2 Power semiconductor device connected in distinct layers of plastic Electricity 18 Active
US4612448A Electronic switch Electricity 18 Expired
US6441408B2 Power semiconductor component for high reverse voltages Electricity 16 Expired
US5087577A Manufacturing method for a power MISFET Emerging Cross-Sectional Technologies 15 Expired
US5583060A Method for manufacturing field effect controlled semiconductor components Emerging Cross-Sectional Technologies 14 Expired
US6819089B2 Power factor correction circuit with high-voltage semiconductor component Electricity 14 Expired
US7087981B2 Metal semiconductor contact, semiconductor component, integrated circuit arrangement and method Electricity 13 Expired
US6825514B2 High-voltage semiconductor component Electricity 11 Expired
US6894329B2 High-voltage semiconductor component Electricity 11 Expired
US4543596A Insulated-gate field-effect transistor (IGFET) with injector zone Electricity 11 Expired
US4903112A Semiconductor component with contact hole Emerging Cross-Sectional Technologies 9 Expired
US5311052A Planar semiconductor component with stepped channel stopper electrode Electricity 8 Expired
US4760432A Thyristor having controllable emitter-base shorts Electricity 8 Expired

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