Inventor · Lörrach, DE

Frank Schaefer

50Patents
7h-index
87Co-inventors
75Inventor score

Filing activity: Apr 20, 2001 → Oct 11, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US6803637B2 Micromechanical component with different doping types so that one type is anodized into porous silicon Performing Operations; Transporting 24 Expired
US7354786B2 Sensor element with trenched cavity Performing Operations; Transporting 16 Active
US7300854B2 Method for producing a semiconductor component having a movable mass in particular, and semiconductor component produced according to this method Emerging Cross-Sectional Technologies 11 Expired
US7037438B2 Method for production of a semiconductor component and a semiconductor component produced by said method Performing Operations; Transporting 10 Expired
US7045382B2 Method for producing micromechanic sensors and sensors produced by said method Performing Operations; Transporting 8 Expired
US6906392B2 Micromechanical component Performing Operations; Transporting 8 Expired
US6840111B2 Micromechanical component and pressure sensor having a component of this type Physics 7 Expired
US7213465B2 Micromechanical sensor Electricity 7 Expired
US7160750B2 Method of producing a semiconductor sensor component Performing Operations; Transporting 6 Expired
US6832523B2 Micromechanical component and manufacturing method Electricity 5 Expired
US7193290B2 Semiconductor component and a method for producing the same Physics 5 Expired
US6649989B2 Micromechanical diaphragm Performing Operations; Transporting 4 Expired
US7494839B2 Method for manufacturing a membrane sensor Performing Operations; Transporting 4 Expired
US6395574B2 Micromechanical component and appropriate manufacturing method Performing Operations; Transporting 4 Expired
US7479232B2 Method for producing a semiconductor component and a semiconductor component produced according to the method Performing Operations; Transporting 4 Expired
US8507633B2 Thermoplastic polyurethanes Chemistry; Metallurgy 4 Active
US8123963B2 Method for producing a semiconductor component and a semiconductor component produced according to the method Performing Operations; Transporting 3 Active
US8833152B2 Apparatus and method for measuring a tire pressure from the tire footprint Physics 3 Active
US7343806B2 Pressure sensor featuring pressure loading of the fastening element Electricity 2 Expired
US11414543B2 Hard transparent thermoplastic polyurethane Chemistry; Metallurgy 1 Active
US7843025B2 Micromechanical semiconductor sensor Performing Operations; Transporting 1 Active
US8784964B2 Composite part as well as a method for manufacturing a composite part Emerging Cross-Sectional Technologies 1 Active
US7375238B2 Process for the preparation of N-substituted 2-cyanopyrrolidines Human Necessities 1 Expired
US9190252B2 Electrode device with pre- and/or postfilters and manufacturing method therefor, as well as a mass spectrometer with such an electrode device Emerging Cross-Sectional Technologies 1 Active
US7479234B2 Method for producing cavities having optically transparent wall Performing Operations; Transporting 1 Expired

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