Patent assignee · US · COMPANY

Optek Technology, Inc.

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5Patents
0Active
5Granted
25Portfolio score

Filing activity: Sep 13, 1990 → Jul 15, 1999

Most-cited patents

PatentTitleAreaCited byStatus
US6211670A Magnetic sensing device for outputting a digital signal as a dynamic representation of an analog signal Electricity 13 Expired
US5121102A Programmable voltage source with isolation network Physics 11 Expired
US6067824A Automobile ignition security system using a differential magnetic comparator Emerging Cross-Sectional Technologies 8 Expired
US6356076B1 System for outputting a plurality of signals as a collective representation of incremental movements of an object Physics 6 Expired
US5491412A Security circuit with magnetic proximity sensor having a magnetic settable and electrical resettable latched output Electricity 3 Expired

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