Inventor · Mendota Heights, MN, US

Richard C. Allen

57Patents
27h-index
86Co-inventors
91Inventor score

Filing activity: Apr 21, 1988 → Oct 28, 2016

Most-cited inventions

PatentTitleAreaCited byStatus
US5825543A Diffusely reflecting polarizing element including a first birefringent phase and a second phase Physics 388 Expired
US4977618A Infrared data communications Electricity 354 Expired
US6111696A Brightness enhancement film Physics 337 Expired
US5783120A Method for making an optical film Physics 290 Expired
US5867316A Multilayer film having a continuous and disperse phase Emerging Cross-Sectional Technologies 192 Expired
US6760157B1 Brightness enhancement film Physics 185 Expired
US6179948A Optical film and process for manufacture thereof Emerging Cross-Sectional Technologies 173 Expired
US6985291B2 Non-inverting transflective assembly Physics 156 Expired
US5124991A Error correction for infrared data communication Electricity 103 Expired
US5427842A Tear resistant multilayer films and articles incorporating such films Emerging Cross-Sectional Technologies 88 Expired
US6057961A Optical film with increased gain at non-normal angles of incidence Physics 71 Expired
US6297906A Light fixture containing optical film Physics 66 Expired
US5991077A Multilayer polarizer having a continuous and disperse phase Emerging Cross-Sectional Technologies 57 Expired
US5610455A Electret containing syndiotactic vinyl aromatic polymer Emerging Cross-Sectional Technologies 55 Expired
US6256146A Post-forming continuous/disperse phase optical bodies Emerging Cross-Sectional Technologies 55 Expired
US6542717B1 System and method for optimizing personal area network (PAN) electrostatic communication Physics 52 Expired
US5245460A Infrared network entry permission method and apparatus Electricity 45 Expired
US6239907A Rear projection screen using birefringent optical film for asymmetric light scattering Physics 44 Expired
US5106533A Pigment dispersions Chemistry; Metallurgy 40 Expired
US5030669A Pigment dispersions Emerging Cross-Sectional Technologies 39 Expired
US6141149A Multilayer film having a continuous and disperse phase Emerging Cross-Sectional Technologies 37 Expired
US6590705B1 Optical film with co-continuous phases Emerging Cross-Sectional Technologies 37 Expired
US7245431B2 Reflective polarizer assembly Physics 33 Active
US6031665A Method of forming a multilayer film having a continuous and disperse phase Emerging Cross-Sectional Technologies 32 Expired
US5999316A Light valve with rotating polarizing element Physics 31 Expired

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