Inventor · Windom, MN, US

Andrew J. Ouderkirk

234Patents
53h-index
178Co-inventors
93Inventor score

Filing activity: Apr 27, 1988 → Sep 22, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US5882774A Optical film Emerging Cross-Sectional Technologies 925 Expired
US5686979A Optical panel capable of switching between reflective and transmissive states Physics 454 Expired
US5825543A Diffusely reflecting polarizing element including a first birefringent phase and a second phase Physics 388 Expired
US6111696A Brightness enhancement film Physics 337 Expired
US5699188A Metal-coated multilayer mirror Performing Operations; Transporting 312 Expired
US5965247A Process for forming reflective polarizer Emerging Cross-Sectional Technologies 298 Expired
US5783120A Method for making an optical film Physics 290 Expired
US6531230B1 Color shifting film Emerging Cross-Sectional Technologies 288 Expired
US5828488A Reflective polarizer display Physics 280 Expired
US6368699B1 Multilayer polymer film with additional coatings or layers Emerging Cross-Sectional Technologies 274 Expired
US6952312B2 Head-up display with polarized light source and wide-angle p-polarization reflective polarizer Physics 255 Expired
US6049419A Multilayer infrared reflecting optical body Emerging Cross-Sectional Technologies 230 Expired
US6783349B2 Apparatus for making multilayer optical films Emerging Cross-Sectional Technologies 229 Expired
US5825542A Diffusely reflecting multilayer polarizers and mirrors Physics 205 Expired
US5808794A Reflective polarizers having extended red band edge for controlled off axis color Physics 193 Expired
US6157490A Optical film with sharpened bandedge Physics 193 Expired
US5867316A Multilayer film having a continuous and disperse phase Emerging Cross-Sectional Technologies 192 Expired
US6760157B1 Brightness enhancement film Physics 185 Expired
US6262842A Transflective displays with reflective polarizing transflector Physics 177 Expired
US7123418B2 Head-up display with narrow band reflective polarizer Physics 167 Expired
US5962114A Polarizing beam-splitting optical component Emerging Cross-Sectional Technologies 163 Expired
US6045894A Clear to colored security film Emerging Cross-Sectional Technologies 155 Expired
US6096375A Optical polarizer Physics 137 Expired
US6025897A Display with reflective polarizer and randomizing cavity Physics 134 Expired
US6285001A Method and apparatus for step and repeat exposures Performing Operations; Transporting 131 Expired

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