Patent assignee · DK · COMPANY

MICROTRONIC AG

15Patents
6Active
15Granted
40Portfolio score

Filing activity: Jul 7, 1993 → Apr 13, 2015

Most-cited patents

PatentTitleAreaCited byStatus
US6522762B1 Silicon-based sensor system Electricity 150 Expired
US6088463A Solid state silicon-based condenser microphone Electricity 94 Expired
US6324907A Flexible substrate transducer assembly Electricity 82 Expired
US6075867A Micromechanical microphone Electricity 63 Expired
US5592079A Microelectronic position sensor for volume control Electricity 24 Expired
US6733319B1 Connector and method for establishing solderfree connections between a rigid main PCB and associated conductors Electricity 13 Expired
US5380965A Electromechanical pulse generator Electricity 9 Expired
US6012021A Microelectric position sensor Electricity 9 Expired
US5920090A Switched magnetic field sensitive field effect transistor device Electricity 8 Expired
USH1875H Electroacoustic transducer General 3 Active
US8851816B2 Apparatus, system, and methods for weighing and positioning wafers Emerging Cross-Sectional Technologies 1 Active
US9791309B2 Apparatus, system, and methods for weighing and positioning wafers Emerging Cross-Sectional Technologies 1 Active
US9004838B2 Apparatus, system, and methods for weighing and positioning wafers Emerging Cross-Sectional Technologies 1 Active
US9704147B2 Method and system for authorizing access to goods and/or services and corresponding access voucher Physics 0 Active
US10134220B2 Method and system for authorizing access to goods and/or services at a point of sale and corresponding point of sale Physics 0 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.