Levola; Tapani
Patent Applications and Registrations
Patent applications and USPTO patent grants for Levola; Tapani.The latest application filed is for "wearable image display system".
Company Profile
5.50.64
- Levola; Tapani - Espoo FI
- Levola; Tapani - Tampere FI
Patent Activity
| Patent | Date |
|---|---|
| Image display system Grant 10,663,734 - Levola , et al. | 2020-05-26 |
| Wearable Image Display System App 20190285899 - Levola; Tapani ; et al. | 2019-09-19 |
| Waveguide coatings or substrates to improve intensity distributions having adjacent planar optical component separate from an input, output, or intermediate coupler Grant 10,359,627 - Wall , et al. | 2019-07-23 |
| Wearable image display system Grant 10,345,601 - Levola , et al. July 9, 2 | 2019-07-09 |
| Display system Grant 10,317,677 - Levola | 2019-06-11 |
| Wearable Image Display System App 20180267318 - Levola; Tapani ; et al. | 2018-09-20 |
| Wearable image display system Grant 10,018,844 - Levola , et al. July 10, 2 | 2018-07-10 |
| Diffractive optical elements with graded edges Grant 9,910,276 - Vallius , et al. March 6, 2 | 2018-03-06 |
| Waveguide gratings to improve intensity distributions Grant 9,791,696 - Woltman , et al. October 17, 2 | 2017-10-17 |
| Reducing ghost images Grant 9,766,464 - Poon , et al. September 19, 2 | 2017-09-19 |
| Optical apparatus and method for expanding an exit pupil Grant 9,753,297 - Saarikko , et al. September 5, 2 | 2017-09-05 |
| Reducing Ghost Images App 20170176745 - Poon; Yarn Chee ; et al. | 2017-06-22 |
| Waveguide Coatings Or Substrates To Improve Intensity Distributions App 20170131545 - Wall; R. Andrew ; et al. | 2017-05-11 |
| Waveguide Gratings To Improve Intensity Distributions App 20170131546 - Woltman; Scott ; et al. | 2017-05-11 |
| Diffractive Optical Elements With Graded Edges App 20170003504 - Vallius; Tuomas ; et al. | 2017-01-05 |
| Display system Grant 9,535,253 - Levola , et al. January 3, 2 | 2017-01-03 |
| Eye tracking apparatus, method and system Grant 9,459,451 - Saarikko , et al. October 4, 2 | 2016-10-04 |
| Diffraction Grating Modelling App 20160283618 - Levola; Tapani ; et al. | 2016-09-29 |
| Display System App 20160234485 - Robbins; Steven John ; et al. | 2016-08-11 |
| Display System App 20160231570 - Levola; Tapani ; et al. | 2016-08-11 |
| Display System App 20160231569 - Levola; Tapani | 2016-08-11 |
| Display System App 20160231566 - Levola; Tapani ; et al. | 2016-08-11 |
| Display system Grant 9,372,347 - Levola , et al. June 21, 2 | 2016-06-21 |
| Microfabrication Grant 9,304,235 - Sainiemi , et al. April 5, 2 | 2016-04-05 |
| Optical Components App 20160033784 - Levola; Tapani ; et al. | 2016-02-04 |
| Microfabrication App 20160035539 - Sainiemi; Lauri ; et al. | 2016-02-04 |
| Microfabrication App 20160033697 - Sainiemi; Lauri ; et al. | 2016-02-04 |
| Eye Tracking Apparatus, Method And System App 20150185475 - Saarikko; Pasi ; et al. | 2015-07-02 |
| NED polarization system for wavelength pass-through Grant 8,885,997 - Nguyen , et al. November 11, 2 | 2014-11-11 |
| Exit pupil expanders with spherical and aspheric substrates Grant 8,830,584 - Saarikko , et al. September 9, 2 | 2014-09-09 |
| Apparatus for enabling users to view images, methods and computer readable storage mediums Grant 8,717,392 - Levola May 6, 2 | 2014-05-06 |
| Ned Polarization System For Wavelength Pass-through App 20140064655 - Nguyen; Ian A. ; et al. | 2014-03-06 |
| Optical Apparatus and Method for Expanding an Exit Pupil App 20130314789 - Saarikko; Pasi ; et al. | 2013-11-28 |
| Color distribution in exit pupil expanders Grant 8,547,638 - Levola October 1, 2 | 2013-10-01 |
| Device and method for determining gaze direction Grant 8,494,229 - Jarvenpaa , et al. July 23, 2 | 2013-07-23 |
| Stereoscopic exit pupil expander display Grant 8,466,953 - Levola June 18, 2 | 2013-06-18 |
| Color Distribution In Exit Pupil Expanders App 20120320460 - Levola; Tapani | 2012-12-20 |
| Display device and a method for illuminating a light modulator array of a display device Grant 8,331,006 - Levola December 11, 2 | 2012-12-11 |
| Diffractive beam expander and a virtual display based on a diffractive beam expander Grant 8,320,032 - Levola November 27, 2 | 2012-11-27 |
| Split exit pupil expander Grant 8,314,993 - Levola November 20, 2 | 2012-11-20 |
| Displays with integrated backlighting Grant 8,314,819 - Kimmel , et al. November 20, 2 | 2012-11-20 |
| Color distribution in exit pupil expanders Grant 8,254,031 - Levola August 28, 2 | 2012-08-28 |
| Optical apparatus and method Grant 8,194,325 - Levola , et al. June 5, 2 | 2012-06-05 |
| Device for expanding an exit pupil in two dimensions Grant 8,160,411 - Levola , et al. April 17, 2 | 2012-04-17 |
| Light guide and optical sensing module input device and method for making same Grant 8,120,762 - Levola , et al. February 21, 2 | 2012-02-21 |
| Method of producing a diffraction grating element Grant 8,092,723 - Laakkonen , et al. January 10, 2 | 2012-01-10 |
| Display apparatus and device Grant 7,997,723 - Pienimaa , et al. August 16, 2 | 2011-08-16 |
| Split Exit Pupil Expander App 20110096401 - Levola; Tapani | 2011-04-28 |
| Device and a method for polarized illumination of a micro-display Grant 7,885,506 - Levola February 8, 2 | 2011-02-08 |
| Display Device And A Method For Illuminating A Light Modulator Array Of A Display Device App 20110019258 - Levola; Tapani | 2011-01-27 |
| Device And Method For Determining Gaze Direction App 20110019874 - Jarvenpaa; Toni ; et al. | 2011-01-27 |
| Optical Apparatus And Method App 20100328794 - LEVOLA; Tapani ; et al. | 2010-12-30 |
| Device For Expanding An Exit Pupil In Two Dimensions App 20100321781 - Levola; Tapani ; et al. | 2010-12-23 |
| Exit Pupil Expanders with Spherical and Aspheric Substrates App 20100315719 - Saarikko; Pasi ; et al. | 2010-12-16 |
| Apparatus for enabling users to view images, methods and computer readable storage mediums App 20100302276 - Levola; Tapani | 2010-12-02 |
| Display Device Having Two Operating Modes App 20100277803 - Pockett; Lachlan ; et al. | 2010-11-04 |
| Stereoscopic Exit Pupil Expander Display App 20100231693 - Levola; Tapani | 2010-09-16 |
| Diffractive Beam Expander And A Virtual Display Based On A Diffractive Beam Expander App 20100214659 - Levola; Tapani | 2010-08-26 |
| Displays With Integrated Backlighting App 20100207964 - Kimmel; Jyrki ; et al. | 2010-08-19 |
| General diffractive optics method for expanding an exit pupil Grant 7,764,413 - Levola July 27, 2 | 2010-07-27 |
| Display Apparatus and Device App 20100165287 - Pienimaa; Seppo ; et al. | 2010-07-01 |
| Color Distribution in Exit Pupil Expanders App 20100165465 - Levola; Tapani | 2010-07-01 |
| Device and a method for polarized illumination of a micro-display App 20100079841 - Levola; Tapani | 2010-04-01 |
| General diffractive optics method for expanding an exit pupil App 20090303599 - Levola; Tapani | 2009-12-10 |
| Illumination Method for Displaying Different Graphical Layouts App 20090244706 - Levola; Tapani ; et al. | 2009-10-01 |
| Method Of Producing A Diffraction Grating Element App 20090224416 - Laakkonen; Pasi ; et al. | 2009-09-10 |
| Input device and method for making same App 20090141285 - Levola; Tapani ; et al. | 2009-06-04 |
| Imaging system with a prism having adjustable number of reflections Grant 7,542,214 - Levola June 2, 2 | 2009-06-02 |
| Diffractive grating element for balancing diffraction efficiency Grant 7,483,604 - Levola January 27, 2 | 2009-01-27 |
| Optical shutter Grant 7,410,309 - Viinikanoja , et al. August 12, 2 | 2008-08-12 |
| System, Methods, Apparatuses, and Computer Program Products for Providing a Private Multiple Screen App 20080118062 - Radivojevic; Zoran ; et al. | 2008-05-22 |
| Method and system for beam expansion in a display device Grant 7,206,107 - Levola April 17, 2 | 2007-04-17 |
| Electrically tunable diffractive grating element Grant 7,184,615 - Levola February 27, 2 | 2007-02-27 |
| Method and optical system for coupling light into a waveguide Grant 7,181,108 - Levola February 20, 2 | 2007-02-20 |
| Adjustable optical system and method for using and manufacturing such App 20060279857 - Levola; Tapani | 2006-12-14 |
| Optical shutter App 20060228108 - Viinikanoja; Jarkko ; et al. | 2006-10-12 |
| Pen type virtual display App 20060170615 - Levola; Tapani | 2006-08-03 |
| Method and system for beam expansion in a display device App 20060126179 - Levola; Tapani | 2006-06-15 |
| Method and system for beam expansion in a display device App 20060126181 - Levola; Tapani | 2006-06-15 |
| General diffractive optics method for expanding an exit pupil App 20060126182 - Levola; Tapani | 2006-06-15 |
| Direct view display based on light diffraction from a deformable layer Grant 7,050,126 - Schrader , et al. May 23, 2 | 2006-05-23 |
| Diffractive grating element for balancing diffraction efficiency App 20060051024 - Levola; Tapani | 2006-03-09 |
| Method and optical system for coupling light into a waveguide App 20050002611 - Levola, Tapani | 2005-01-06 |
| Method and system for beam expansion in a display device Grant 6,805,490 - Levola October 19, 2 | 2004-10-19 |
| Direct view display based on light diffraction from a deformable layer App 20040196411 - Schrader, Martin ; et al. | 2004-10-07 |
| Portable multimode display device Grant 6,773,114 - Pienimaa , et al. August 10, 2 | 2004-08-10 |
| Eye-gaze tracking Grant 6,758,563 - Levola July 6, 2 | 2004-07-06 |
| Electrically tunable diffractive grating element App 20040109234 - Levola, Tapani | 2004-06-10 |
| Method and system for beam expansion in a display device App 20040062502 - Levola, Tapani | 2004-04-01 |
| Eye-gaze tracking App 20030156257 - Levola, Tapani | 2003-08-21 |
| Portable multimode display device App 20030107883 - Pienimaa, Seppo ; et al. | 2003-06-12 |
| Pixel structure having deformable material and method for forming a light valve Grant 6,445,433 - Levola September 3, 2 | 2002-09-03 |
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