Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12410387 | Process and system for generating hydrogen | Cristian Coelho Silva | 2025-09-09 |
| 11543575 | Holographic display apparatus illuminating a hologram and a holographic image | Ian Redmond | 2023-01-03 |
| 10017916 | Earth working apparatus | — | 2018-07-10 |
| 7740375 | High brightness illumination device with incoherent solid state light source | Hans Zou | 2010-06-22 |
| 7631991 | Brightness enhancement of LED using selective ray angular recycling | Hans Zou | 2009-12-15 |
| 7406227 | Efficient coupling of light into a light guides | — | 2008-07-29 |
| 6698894 | Scrolling color light engine with improved color uniformity of the illumination field and single panel projection display system incorporating same | — | 2004-03-02 |
| 6686975 | Achromatic apparatus for producing a wavelength-independent high contrast light signal | Khalid Shahzad | 2004-02-03 |
| 6624872 | Optical radiation filter | Claire Blay, Robert Brown, Gillian Margaret Davis, Nathan James Smith, Kathryn Walsh | 2003-09-23 |
| 6595648 | Projection display | Graham J. Woodgate, Marina Khazova | 2003-07-22 |
| 6583938 | Optical device and projection display | Graham J. Woodgate, Jason Slack, Marina Khazova | 2003-06-24 |
| 6339464 | Filter and method of making an optical device | Claire Blay, Robert Brown, Gillian Margaret Davis, Nathan James Smith, Kathryn Walsh | 2002-01-15 |
| 6327013 | Liquid crystal device in which an electric field within the picture element varies in intensity | Craig Tombling, Michael G. Robinson, Nicholas Mayhew, Jason Slack, Karen Emma Todd | 2001-12-04 |
| 6260972 | Liquid crystal projectors | Michael G. Robinson, Jason Slack | 2001-07-17 |
| 6155688 | Dark field projection display | Robert Brown, Nicholas Mayhew, Michael G. Robinson, Jason Slack, Haruhisa Takiguchi | 2000-12-05 |
| 6061108 | Broadband cholesteric polarizer and an optical device employing the same | Gillian Margaret Davis, Kathryn Walsh, Robert Brown, Masayuki Nakazawa | 2000-05-09 |
| 5973817 | Polarization independent optical phase modulator | Michael G. Robinson, Nicholas Mayhew, Craig Tombling, Michael John Towler, Harry Garth Walton +1 more | 1999-10-26 |
| 5808709 | Illuminator with polarization separating anisotropic layer between light guide and reflector | Gillian Margaret Davis | 1998-09-15 |
| 5092669 | Optical device and method for using same | — | 1992-03-03 |