US Patents

3D auto-stereoscopic systems:

USA 6,940,645 Monocentric auto-stereoscopic optical apparatus with a spherical gradient ball Lens.
USA 6,871,956 Auto-stereoscopic optical apparatus.
USA 6,869,183 Auto-stereoscopic optical apparatus for viewing a stereoscopic virtual image.
USA 6,834,961 Auto-stereoscopic optical apparatus.
USA 6,752,498 Adaptive auto-stereoscopic display.
USA 6,511,182 An auto-stereoscopic optical apparatus using a scanned liner image source.
USA 6,416,181 Monocentric auto-stereoscopic optical apparatus and method.
USA 7,111,943 Wide field display using a scanned light linear modulator array.

Augmented Reality Displays:

USA 6,522,474 Head mounted optical apparatus for stereoscopic display.
USA 8,094,377 Head Mounted Optical Apparatus using an OLED display.
USA 8,215,776 Line Illumination apparatus using laser arrays.
USA 9,740,004 Pupil-expanded biocular volumetric display.
USA 10,061,129 Birefringent ocular for augmented reality imaging.

LCD and OLED displays:

USA 7,149,393 An apparatus and method for forming a fiber optic faceplate.
USA 7,024,082 Apparatus and method for forming an optical converter.
USA 7,198,373 Display apparatus using LCD panel.
USA 7, 229,199 Backlight using surface emitting light source and Fresnel lens.
USA 7,292,760 Optical converter formed from flexible strip.
USA 7,295,262 Apparatus having collimated illumination.
USA 7,334,897 Display apparatus using LCD panel.
USA 7,548,676 Apparatus and method for forming an optical converter.
USA 7,618,178 Backlight containing formed birefringence reflective polarizer.
USA 7,892,381 Method for forming an optical converter.

Display films:

USA 7,581,867 Brightness enhancement film using an array of light concentrators.
USA 7,359,020 Optical devices of substantially identical crossed sheet polarizers.
USA 6,997,595 Brightness enhancement article having trapezoidal prism surface.
USA 7,160,017 Brightness enhancement film using a linear arrangement of light concentrator.
USA 6,943,930 Method and system of fabrication of optical film using an exposure source and reflecting surface.
USA 7,229,199 Backlight using surface-emitting light sources.

Digital camera optics:

USA 6,937,283 Anti Aliasing low pass blur filter for reducing artifacts in Imaging apparatus ñ lithium niobate patent.
USA 5,684,293 Anti Aliasing low pass blur filter for reducing artifacts in imaging systems.
USA 7,298,970 Zoom flash with variable focus lens.
USA 7,616,881 Zoom flash with liquid crystal lens.
USA 9,654,675 Optical attachment for deviating field of view.

Digital cinema projection:

USA 6,954,245 Display apparatus with two polarization compensators.
USA 6,909,473 Display apparatus and method.
USA 6,897,926 Modulation optical system including a compensator conditioning oblique and skew rays.
USA 6,676,260 Projection apparatus using spatial light modulator with relay lens and dichroic combiner.
USA 6,585,378 Digital cinema projector.
USA 7,559,654 High luminance display apparatus using LCD panel.
USA 7,184,115 Display apparatus with two polarization compensators.

LCOS printers:

USA 6,930,797 Method and apparatus for printing high resolution images using multiple reflective spatial light modulators.
USA 6,980,321 Method and apparatus for printing high resolution images using multiple reflective spatial light modulators.
USA 6,407,766 A method and apparatus for printing to a photosensitive media using multiple spatial light modulators.
USA 6,215,547 Reflective LC modulator based printing system.

Laser thermal printers:

USA 6,211,897 Printing system and method for improving print quality of laser thermal printers.
USA 5,923,475 Laser printing using fly’s eye integrator.
USA 5,854,651 Optically correcting deviations from straightness of laser beams.
USA 5,745,153 Optical means for using diode laser arrays in laser multi beam printers and recorders.
USA 5,619,245 Multi beam optical system using lenslet arrays in laser multi beam printers and recorders.
USA 5,475,416 Printing system for printing an image with lasers emitting diverging laser beams.

3D lenticular systems:

USA 6,252,621 Printing lenticular images.
USA 6,191,802 Optical apparatus and method for increasing intensity of multimode laser beams and a printer for printing lenticular image.

Flying spot laser printers:

USA 6,069,680 Flying spot laser printer printing apparatus and method.
USA 5,294,943 Method and apparatus for alignment of scan line optics with target media.
USA 5,278,691 Symmetrical overfilled polygon laser scanner.
USA 5,237,348 Method and apparatus for alignment of scan line optics with target medium using external adjusting members.
USA 5,214,441 Method and apparatus for alignment of scan optics with target medium using external adjusting members.
USA 5,151,810 Method for alignment of scan line optics with target medium.
USA 5,023,448 Beam position sensor for a light beam scanner.
USA 5,018,805 Laser printer.
USA 4,921,320 Optical scanner.
USA 4,796,962 Optical scanner.
USA 4,982,206 Laser printer having an apodizine mask.
USA 4,759,593 High resolution optical scanner.
USA 4,728,965 Laser printer having means for correcting laser pointing errors.
USA 4,651,170 Laser printer having means for changing the output image size.
USA 4,616,132 Synchronization apparatus for scanner.
USA 5,610,753 Optical design of laser scanner to reduce thermal sensitivity.
USA 6,515,782 Telecentric F-Theta lens for laser microfilm printer.

CCD scanners:

USA 5,255,114 High resolution scanner.
USA 5,221,975 High resolution scanner.
USA 5,025,313 System for minimizing optical distortions and chromatic aberrations in a linear color scanner.
USA 5,012,346 Illumination system for a film scanner.

Illumination and light collection systems:

USA 6,988,811 Optical exposure apparatus and method for aligning a substrate.
USA 6,874,899 Apparatus and method for irradiating a substrate.
USA 5,533,152 Method and apparatus for coupling light emitted from a multiple mode a multi-mode laser diode array to a multi-mode optical fiber.
USA 4,991,918 Light collector for stimulable phosphor imaging apparatus.
USA 4,868,383 Linear integrating cavity light source used for generating of an intense beam of light.

Other novel optical components and systems:

USA 6,863,404 Method for providing a curved image.
USA 6,820,982 Method and apparatus for forming an image on a curved diffusive surface.
USA 6,734,889 A color printer comprising a grating spatial light modulator.
USA 5,002,365 Beam splitter for color imaging apparatus.
USA 6,304,315 High speed high resolution optical film printer for duplicating motion films.
USA 6,094,210 Method and apparatus for focusing.
USA 5,241,523 Polarization-based auto focus apparatus.
USA 6,995,816 Optical devices comprising high-performance polarizer package.
USA 5,105,297 Mount for an optical element USA 5,002,365 A beam splitter for color imaging apparatus.
USA 4,588,269 Apparatus which shapes Gaussian beams by spherical mirrors.
USA 7,296,894 Fundus camera having scanned illumination and pupil tracking.
USA 7,414,784 Low fill factor wire grid polarizer and method of use.
USA 7,466,484 Wire grid polarizers and optical elements containing them.
USA 7,771,045 Polarized Eyewear.
USA 8,274,720 Concentric Afocal Beam Relay.
USA 8,177,358 Polarized Eyewear.
USA 8,441,733 Pupil expanded volumetric display.
USA 8,531,750 Afocal Beam Relay.