Patent assignee · US · COMPANY

Tektronix, Inc.

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2,727Patents
651Active
2,727Granted
52Portfolio score

Filing activity: Apr 9, 1973 → Feb 16, 2024 · 238 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US6404811B1 Interactive multimedia system Electricity 1,603 Expired
US4787051A Inertial mouse system Physics 462 Expired
US5372852A Indirect printing process for applying selective phase change ink compositions to substrates Performing Operations; Transporting 423 Expired
US4853843A System for merging virtual partitions of a distributed database Emerging Cross-Sectional Technologies 354 Expired
US4889560A Phase change ink composition and phase change ink produced therefrom Emerging Cross-Sectional Technologies 340 Expired
US4423401A Thin-film electrothermal device Electricity 331 Expired
US5621022A Use of polymeric dyes in hot melt ink jet inks Performing Operations; Transporting 328 Expired
US5389958A Imaging process Performing Operations; Transporting 323 Expired
US4889761A Substrates having a light-transmissive phase change ink printed thereon and methods for producing same Emerging Cross-Sectional Technologies 280 Expired
US4680429A Touch panel Physics 280 Expired
US5438423A Time warping for video viewing Physics 248 Expired
US5442387A Apparatus for supplying phase change ink to an ink jet printer Performing Operations; Transporting 237 Expired
US4755811A Touch controlled zoom of waveform displays Physics 234 Expired
US4885717A System for graphically representing operation of object-oriented programs Physics 233 Expired
US5136705A Method of generating instruction sequences for controlling data flow processes Physics 231 Expired
US4823283A Status driven menu system Emerging Cross-Sectional Technologies 226 Expired
US4821220A System for animating program operation and displaying time-based relationships Physics 216 Expired
US5195430A Dual roller apparatus for pressure fixing sheet material Physics 205 Expired
US5053757A Touch panel with adaptive noise reduction Physics 202 Expired
US6904269B1 Signal type identification Electricity 197 Expired
US4680577A Multipurpose cursor control keyswitch Physics 193 Expired
US4582396A Field sequential color display system using optical retardation Physics 192 Expired
US4727633A Method of securing metallic members together Emerging Cross-Sectional Technologies 187 Expired
US5801685A Automatic editing of recorded video elements sychronized with a script text read or displayed Physics 183 Expired
US5047918A File management system Emerging Cross-Sectional Technologies 179 Expired

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