Inventor · New Richmond, WI, US

Robert E. Brenner

14Patents
7h-index
13Co-inventors
59Inventor score

Filing activity: Jun 30, 1997 → Feb 19, 2010

Most-cited inventions

PatentTitleAreaCited byStatus
US6546221B2 Developer storage and delivery system for liquid electrophotography Physics 19 Expired
US6134406A Belt steering mechanism for use with an electrophotographic imaging system Physics 16 Expired
US7200348B2 Volatile organic compound detector Physics 11 Expired
US5978003A Belt position detection system for belt registration in an electrophotographic imaging system Physics 10 Expired
US8155036B1 Portable multi-level security communications system Electricity 9 Active
US5896158A System for registration of a photoconductor belt in an electrophotographic imaging system Physics 8 Expired
US5905519A System for registration of color separation images on a photoconductor belt Physics 7 Expired
US6052135A Combination erase bar and belt position detector system for use with an electrophotographic imaging system Electricity 4 Expired
US7092659B2 Discharge methods and systems in electrophotography Physics 3 Expired
US7231162B2 Oxygen generators in ink cartridge environment Physics 3 Expired
US7088932B2 System and method for measuring charge/mass and liquid toner conductivty contemporaneously Physics 3 Expired
US6744996B2 Method of determining liquid toner depletion Physics 2 Expired
US7187885B2 Oxidation of volatile organic compounds in electrographic printing Physics 2 Expired
US7076181B2 Closed loop control of photoreceptor surface voltage for electrophotographic processes Physics 1 Expired

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