Inventor · disambiguated record
David J. W. Aastuen
Also filed as: AASTUEN DAVID J · AASTUEN DAVID J W
31 granted patents·14 pending applications·1,910 citations·filing 1992–2025
98Inventor score
Files with3M INNOVATIVE PROPERTIES CO213M INNOVATIVE PROPERTIES COMPANY14MINNESOTA MINING & MFG5AASTUEN DAVID J W2WILLETT STEPHEN J1
Top patents by PatentIndex Score
45 records- 0199US5686979AOptical panel capable of switching between reflective and transmissive statesMINNESOTA MINING & MFG·Filed 1995·Granted Nov 11, 1997·630 cites·72 claims
- 0298US6721096B2Polarizing beam splitter3M INNOVATIVE PROPERTIES CO·Filed 2002·Granted Apr 13, 2004·198 cites·26 claims
- 0398US6486997B1Reflective LCD projection system using wide-angle Cartesian polarizing beam splitter3M INNOVATIVE PROPERTIES CO·Filed 1999·Granted Nov 26, 2002·348 cites·25 claims
- 0498US5300263AMethod of making a microlens array and moldMINNESOTA MINING & MFG·Filed 1992·Granted Apr 5, 1994·157 cites·27 claims
- 0597US11865808B2Shaped optical films and methods of shaping optical films3M INNOVATIVE PROPERTIES COMPANY·Filed 2022·Granted Jan 9, 2024·2 cites·20 claims
- 0697US6992822B2Projection display system using a diffuse reflecting polarizer3M INNOVATIVE PROPERTIES CO·Filed 2005·Granted Jan 31, 2006·49 cites·18 claims
- 0793US7023602B2Reflective LCD projection system using wide-angle Cartesian polarizing beam splitter and color separation and recombination prisms3M INNOVATIVE PROPERTIES CO·Filed 2000·Granted Apr 4, 2006·56 cites·13 claims
- 0892US6786604B2Projection system having low astigmatism3M INNOVATIVE PROPERTIES CO·Filed 2002·Granted Sep 7, 2004·41 cites·48 claims
- 0991US6672721B2Projection system having low astigmatism3M INNOVATIVE PROPERTIES CO·Filed 2001·Granted Jan 6, 2004·41 cites·102 claims
- 1091US5398125ALiquid crystal projection panel having microlens arrays, on each side of the liquid crystal, with a focus beyond the liquid crystalMINNESOTA MINING & MFG·Filed 1993·Granted Mar 14, 1995·115 cites·10 claims
- 1190US11358355B2Shaped optical films and methods of shaping optical films3M INNOVATIVE PROPERTIES CO·Filed 2018·Granted Jun 14, 2022·2 cites·17 claims
- 1290US7357511B2Stress birefringence compensation in polarizing beamsplitters and systems using same3M INNOVATIVE PROPERTIES CO·Filed 2005·Granted Apr 15, 2008·18 cites·18 claims
- 1389US7568804B2Highly efficient single panel and two panel projection engines3M INNOVATIVE PROPERTIES CO·Filed 2007·Granted Aug 4, 2009·10 cites·16 claims
- 1487US6166797ADiffusion barrier layers with microstructured spacing members for liquid crystal display panel substrates3M INNOVATIVE PROPERTIES CO·Filed 1997·Granted Dec 26, 2000·88 cites·9 claims
- 1586US7237899B2Highly efficient single panel and two panel projection engines3M INNOVATIVE PROPERTIES CO·Filed 2003·Granted Jul 3, 2007·25 cites·33 claims
- 1684US5519539AMicrolens array with microlenses having modified polygon perimetersMINNESOTA MINING & MFG·Filed 1993·Granted May 21, 1996·50 cites·8 claims
- 1784US2024165907A1Shaped optical films and methods of shaping optical films3M INNOVATIVE PROPERTIES COMPANY·Filed 2023·Application pending·0 cites
- 1882US2025334820A1Optical film and polarizing beam splitter3M INNOVATIVE PROPERTIES COMPANY·Filed 2025·Application pending·0 cites
- 1981US7652820B2Reflective LCD projection system using wide-angle cartesian polarizing beam splitter and color separation and recombination prisms3M INNOVATIVE PROPERTIES CO·Filed 2005·Granted Jan 26, 2010·5 cites·16 claims
- 2080US9952443B2Projection subsystem3M INNOVATIVE PROPERTIES CO·Filed 2016·Granted Apr 24, 2018·2 cites·10 claims
- 2179US9525855B2Projection subsystemWILLETT STEPHEN J·Filed 2012·Granted Dec 20, 2016·4 cites·23 claims
- 2278US2024418920A1Optical system3M INNOVATIVE PROPERTIES COMPANY·Filed 2024·Application pending·0 cites
- 2377US7329006B2Projection system having low astigmatism3M INNOVATIVE PROPERTIES CO·Filed 2003·Granted Feb 12, 2008·11 cites·13 claims
- 2472US7731366B2Stress birefringence compensation in polarizing beamsplitters and systems using same3M INNOVATIVE PROPERTIES CO·Filed 2008·Granted Jun 8, 2010·4 cites·26 claims
- 2567US7261418B2Projection apparatus3M INNOVATIVE PROPERTIES CO·Filed 2004·Granted Aug 28, 2007·11 cites·31 claims
- 2666US5699139ALiquid crystal device having pressure relief structureMINNESOTA MINING & MFG·Filed 1995·Granted Dec 16, 1997·35 cites·17 claims
- 2764US12433140B2Display and display system3M INNOVATIVE PROPERTIES COMPANY·Filed 2023·Granted Sep 30, 2025·0 cites·15 claims
- 2862US12386191B2Optical film and polarizing beam splitter3M INNOVATIVE PROPERTIES COMPANY·Filed 2019·Granted Aug 12, 2025·0 cites·9 claims
- 2961US12099226B2Optical system3M INNOVATIVE PROPERTIES COMPANY·Filed 2019·Granted Sep 24, 2024·0 cites·11 claims
- 3061US10670873B2Projection subsystem3M INNOVATIVE PROPERTIES CO·Filed 2018·Granted Jun 2, 2020·0 cites·14 claims
- 3158US8757858B2Hollow backlight with tilted light sourceAASTUEN DAVID J W·Filed 2009·Granted Jun 24, 2014·2 cites·24 claims
- 3255US6525816B2Method for measuring the absolute light throughput of reflective-mode displays in an optical system3M INNOVATIVE PROPERTIES CO·Filed 2000·Granted Feb 25, 2003·6 cites·14 claims
- 3355US2023244010A1Optical System3M INNOVATIVE PROPERTIES COMPANY·Filed 2023·Application pending·0 cites
- 3454US2025035948A1Optical stack including reflective polarizer and optical lens3M INNOVATIVE PROPERTIES COMPANY·Filed 2022·Application pending·0 cites
- 3554US2023194765A1Polymeric Optical Lens3M INNOVATIVE PROPERTIES COMPANY·Filed 2022·Application pending·0 cites
- 3652US2024310630A1Foveated optical lens for near eye display3M INNOVATIVE PROPERTIES COMPANY·Filed 2022·Application pending·0 cites
- 3752US2024280739A1Optical systems including angle control films3M INNOVATIVE PROPERTIES COMPANY·Filed 2022·Application pending·0 cites
- 3851US7542194B2Birefringence-compensated liquid crystal display and projection system using same3M INNOVATIVE PROPERTIES CO·Filed 2005·Granted Jun 2, 2009·0 cites·12 claims
- 3951US2024168210A1Optical film and optical system3M INNOVATIVE PROPERTIES COMPANY·Filed 2022·Application pending·0 cites
- 4050US2024012179A1Optical Lens Including Optical Film Bonded to Lens Substrate3M INNOVATIVE PROPERTIES COMPANY·Filed 2021·Application pending·0 cites
- 4148US8100535B2Stress birefringence compensation in polarizing beamsplitters and systems using sameAASTUEN DAVID J W·Filed 2010·Granted Jan 24, 2012·0 cites·3 claims
- 4242US2021168269A1Vehicle assistance systems3M INNOVATIVE PROPERTIES CO·Filed 2019·Application pending·0 cites
- 4342US2020341180A1Light directing article with a conformal retarder3M INNOVATIVE PROPERTIES CO·Filed 2018·Application pending·0 cites
- 4441US2003214632A1Projection display systemFiled 2002·Application pending·0 cites
- 4540US2004227994A1Polarizing beam splitter and projection systems using the polarizing beam splitterFiled 2003·Application pending·0 cites
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