Inventor · Nicholasville, KY, US

David Dreyfuss

15Patents
7h-index
19Co-inventors
63Inventor score

Filing activity: Apr 10, 1992 → Dec 31, 2012

Most-cited inventions

PatentTitleAreaCited byStatus
US5995213A Lens inspection system Physics 37 Expired
US5805276A Lens inspection system Physics 32 Expired
US5748300A Method and system for automatically inspecting ophthalmic lenses Physics 32 Expired
US5256886A Apparatus for optically detecting contamination in particles of low optical-loss material Physics 16 Expired
US6154274A Lens inspection system Physics 16 Expired
US6161921A Toner transport device having electrically altered launch runway and particle flow dividers Physics 10 Expired
US5751299A Combined electrophotographic and ink jet printing Performing Operations; Transporting 10 Expired
US6154238A Scanning print head Physics 6 Expired
US6254221A Printing apparatus with focusing of toner particles Physics 6 Expired
US6123417A Optimization of transport parameters for traveling wave toner transport devices Physics 6 Expired
US5430533A Polymeric toner transfer member material Emerging Cross-Sectional Technologies 6 Expired
US5436708A High stability color imaging by transfer roller Physics 3 Expired
US6079815A Traveling wave and vertical toner transfer Performing Operations; Transporting 2 Expired
US5281507A Treatment to enhance transfer in liquid toner electrophotography Emerging Cross-Sectional Technologies 2 Expired
US9144122B2 Driver for arrays of lighting elements Electricity 0 Active

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