Inventor · disambiguated record
Charles A. Marttila
Also filed as: MARTTILA CHARLES A
28 granted patents·5 pending applications·482 citations·filing 1994–2020
96Inventor score
Files with3M INNOVATIVE PROPERTIES CO21PADIYATH RAGHUNATH5MINNESOTA MINING & MFG3GATES BRIAN J2MARTTILA CHARLES A2
Top patents by PatentIndex Score
33 records- 0195US7652736B2Infrared light reflecting film3M INNOVATIVE PROPERTIES CO·Filed 2005·Granted Jan 26, 2010·53 cites·22 claims
- 0293US7936956B2Process for making light guides with extraction structures and light guides produced thereby3M INNOVATIVE PROPERTIES CO·Filed 2009·Granted May 3, 2011·14 cites·9 claims
- 0391US7632568B2Solar control multilayer film3M INNOVATIVE PROPERTIES CO·Filed 2005·Granted Dec 15, 2009·26 cites·23 claims
- 0491US6456437B1Optical sheets suitable for spreading light3M INNOVATIVE PROPERTIES CO·Filed 2000·Granted Sep 24, 2002·117 cites·17 claims
- 0589US5658656AUse of materials comprising microbubbles as acoustical barriersMINNESOTA MINING & MFG·Filed 1995·Granted Aug 19, 1997·73 cites·19 claims
- 0687US9574730B2Hybrid light redirecting and light diffusing constructions3M INNOVATIVE PROPERTIES CO·Filed 2015·Granted Feb 21, 2017·2 cites·14 claims
- 0786US8995059B2Hybrid light redirecting and light diffusing constructionsPADIYATH RAGHUNATH·Filed 2012·Granted Mar 31, 2015·4 cites·6 claims
- 0885US9329326B2Process for making light guides with extraction structures and light guides produced therebyMARTTILA CHARLES A·Filed 2009·Granted May 3, 2016·8 cites·8 claims
- 0985US9244206B2Light redirecting film laminatePADIYATH RAGHUNATH·Filed 2010·Granted Jan 26, 2016·7 cites·20 claims
- 1085US7941013B2Process for making light guides with extraction structures and light guides produced thereby3M INNOVATIVE PROPERTIES CO·Filed 2007·Granted May 10, 2011·12 cites·25 claims
- 1184US5504281APerforated acoustical attenuatorsMINNESOTA MINING & MFG·Filed 1994·Granted Apr 2, 1996·88 cites·18 claims
- 1283US8857028B2Processes for producing optical elements showing virtual imagesGATES BRIAN J·Filed 2009·Granted Oct 14, 2014·4 cites·14 claims
- 1381US10151860B2Sun-facing light redirecting films with reduced glare3M INNOVATIVE PROPERTIES CO·Filed 2017·Granted Dec 11, 2018·3 cites·15 claims
- 1480US9817161B2Sun-facing light redirecting films with reduced glare3M INNOVATIVE PROPERTIES CO·Filed 2015·Granted Nov 14, 2017·5 cites·15 claims
- 1579US10656312B2Insulated glazing units and microoptical layer including microstructured anisotropic diffuser and methods3M INNOVATIVE PROPERTIES CO·Filed 2016·Granted May 19, 2020·1 cites·24 claims
- 1677US9910192B2Room-facing light redirecting films with reduced glare3M INNOVATIVE PROPERTIES CO·Filed 2015·Granted Mar 6, 2018·5 cites·16 claims
- 1772US10988979B2Microoptics for glazing3M INNOVATIVE PROPERTIES CO·Filed 2020·Granted Apr 27, 2021·0 cites·5 claims
- 1872US9250368B2Dual-sided daylight redirecting filmPADIYATH RAGHUNATH·Filed 2012·Granted Feb 2, 2016·6 cites·18 claims
- 1970US11125406B2Microoptics for glazing3M INNOVATIVE PROPERTIES CO·Filed 2020·Granted Sep 21, 2021·0 cites·9 claims
- 2067US10794114B2Microoptics for glazing3M INNOVATIVE PROPERTIES CO·Filed 2019·Granted Oct 6, 2020·0 cites·9 claims
- 2164US10590697B2Microoptics for glazing3M INNOVATIVE PROPERTIES CO·Filed 2015·Granted Mar 17, 2020·0 cites·12 claims
- 2264US10513881B2Microoptics for glazing3M INNOVATIVE PROPERTIES CO·Filed 2015·Granted Dec 24, 2019·0 cites·13 claims
- 2361US7830368B2Keypad with virtual image3M INNOVATIVE PROPERTIES CO·Filed 2007·Granted Nov 9, 2010·3 cites·28 claims
- 2460US5813180APrivacy enclosureMINNESOTA MINING & MFG·Filed 1996·Granted Sep 29, 1998·32 cites·10 claims
- 2558US9945525B2Hybrid light redirecting and light diffusing constructions3M INNOVATIVE PROPERTIES CO·Filed 2017·Granted Apr 17, 2018·0 cites·9 claims
- 2654US2014285885A1Lens designs for integral imaging 3d displays3M INNOVATIVE PROPERTIES CO·Filed 2014·Application pending·0 cites
- 2753US9739436B2Light redirecting film laminate3M INNOVATIVE PROPERTIES CO·Filed 2015·Granted Aug 22, 2017·0 cites·13 claims
- 2847US5974757APrivacy enclosure3M INNOVATIVE PROPERTIES CO·Filed 1998·Granted Nov 2, 1999·19 cites·1 claims
- 2947US2014211331A1Multiple sequenced daylight redirecting layersPADIYATH RAGHUNATH·Filed 2012·Application pending·0 cites
- 3046US2013314780A1Lens designs for integral imaging 3d displaysMARTTILA CHARLES A·Filed 2012·Application pending·0 cites
- 3145US10088610B2Light redirecting constructionsPADIYATH RAGHUNATH·Filed 2010·Granted Oct 2, 2018·0 cites·16 claims
- 3245US2011109965A1Optical elements for showing virtual imagesGATES BRIAN J·Filed 2009·Application pending·0 cites
- 3337US2017307789A1Light redirecting film constructions and methods of making same3M INNOVATIVE PROPERTIES CO·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →