Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6816650 | Planar lightwave filter device | Serdar Yeralan | 2004-11-09 |
| 6710921 | Polarizer apparatus for producing a generally polarized beam of light | Douglas P. Hansen | 2004-03-23 |
| 6693749 | Low-observability, wide-field-of-view, situation awareness viewing device | William B. King, Chungte W. Chen, Ronald G. Hegg, Richard W. Nichols | 2004-02-17 |
| 6563638 | Wide-angle collimating optical device | William B. King, Chungte W. Chen, Ronald G. Hegg | 2003-05-13 |
| 6452724 | Polarizer apparatus for producing a generally polarized beam of light | Douglas P. Hansen | 2002-09-17 |
| 6348995 | Reflective optical polarizer device with controlled light distribution and liquid crystal display incorporating the same | Douglas P. Hansen | 2002-02-19 |
| 6208463 | Polarizer apparatus for producing a generally polarized beam of light | Douglas P. Hansen | 2001-03-27 |
| 6141124 | Color filter and color picture display device using the same | Tetsuji Suzuki, Ryusaku Takahashi, Shintaro Nakagaki, Ronald T. Smith | 2000-10-31 |
| 6108131 | Polarizer apparatus for producing a generally polarized beam of light | Douglas P. Hansen | 2000-08-22 |
| 6081376 | Reflective optical polarizer device with controlled light distribution and liquid crystal display incorporating the same | Douglas P. Hansen | 2000-06-27 |
| 5986730 | Dual mode reflective/transmissive liquid crystal display apparatus | Douglas P. Hansen | 1999-11-16 |
| 5907416 | Wide FOV simulator heads-up display with selective holographic reflector combined | Ronald G. Hegg, Chungte W. Chen, Dennis D. Hansen | 1999-05-25 |
| 5764389 | Holographic color filters for display applications, and operating method | Jan Grinberg | 1998-06-09 |
| 5702805 | Photopolymer holographic decal for plastic substrate | Khin Swe Yin, Kevin Yu | 1997-12-30 |
| 5541825 | Dual image CHMSLs without holography | Michael J. Virgadamo, John E. Wreede | 1996-07-30 |
| 5499116 | Encoded hologram for producing a machine readable image and a human readable image | John E. Wreede, Michael J. Virgadamo, Kevin Yu, Lillian Yin, Jerry L. Mulder +2 more | 1996-03-12 |
| 5406395 | Holographic parking assistance device | David T. Wilson, John E. Wreede, James A. Arns | 1995-04-11 |
| 5101193 | Universal stand-alone holographic center high mounted stoplight | Ronald T. Smith, Andrew Daiber, James E. Scott, Michael J. Virgadamo, Kevin Yu | 1992-03-31 |
| 5091608 | Flame retardant splicing system | — | 1992-02-25 |
| 4981608 | Industrial gelling agent for hydrophobic organic liquids | — | 1991-01-01 |
| 4586780 | Directional diffusing screen with suppressed zero-order light | Mao-Jin Chern, Ronald T. Smith | 1986-05-06 |
| 4586781 | Diffraction optics diffusing screen | Ronald T. Smith | 1986-05-06 |
| 4349817 | Liquid crystal display system using fiber optic faceplates | William C. Hoffman, William R. Lichty | 1982-09-14 |
| 4344668 | Fiber optic light traps for electro-optical display devices | William R. Lichty, William C. Hoffman | 1982-08-17 |