Issued Patents All Time
Showing 25 most recent of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5606433 | Lamination of multilayer photopolymer holograms | Khin Swe Yin, Kevin Yu | 1997-02-25 |
| 5602656 | Apparatus and method for monitoring holographic light protection filters | Richard B. Upper, Darrell F. Hatch, Lane W. Cosner, Stephen T. Babbitt | 1997-02-11 |
| 5555108 | Holographic exposure prism | Stephen T. Babbitt, James E. Scott | 1996-09-10 |
| 5541825 | Dual image CHMSLs without holography | John Gunther, Michael J. Virgadamo | 1996-07-30 |
| 5519516 | One way holograms | — | 1996-05-21 |
| 5499118 | System for copying multiple holograms | James E. Scott, David D. Tanaka | 1996-03-12 |
| 5499116 | Encoded hologram for producing a machine readable image and a human readable image | John Gunther, Michael J. Virgadamo, Kevin Yu, Lillian Yin, Jerry L. Mulder +2 more | 1996-03-12 |
| 5497251 | Combination specular and diffuse image CHMSL | Michael J. Virgadamo, Richard B. Upper, Ronald T. Smith | 1996-03-05 |
| 5495227 | Multiple format holographic CHMSLS | Michael J. Virgadamo, Richard B. Upper, Ronald T. Smith | 1996-02-27 |
| 5471328 | Segmented image holographic disks | — | 1995-11-28 |
| 5455693 | Display hologram | James E. Scott | 1995-10-03 |
| 5455692 | Dual image CHMSLS | — | 1995-10-03 |
| 5406395 | Holographic parking assistance device | David T. Wilson, John Gunther, James A. Arns | 1995-04-11 |
| 5401346 | Laminated hologram decals for identification cards and the like | Khin Swe Yin, Kevin Yu | 1995-03-28 |
| 5387989 | Modified technique for fabricating low noise floodlit CHMSL holograms | Ronald T. Smith, Mike Virgadamo, Richard B. Upper | 1995-02-07 |
| 5327266 | Simultaneous multiple exposure holograms using coherence mismatch to prevent crosstalk | Jerry L. Mulder, Kevin Yu | 1994-07-05 |
| 5318816 | Laminated hologram decals for identification cards and the like | Khin Swe Yin, Kevin Yu | 1994-06-07 |
| 5315417 | Low noise transmission holographic optical element | Gaylord E. Moss | 1994-05-24 |
| 5282066 | Multiple layer holograms | Kevin Yu, Khin Swe Yin | 1994-01-25 |
| 5278008 | Diffraction efficiency control in holographic elements | Gaylord E. Moss, Kevin Yu | 1994-01-11 |
| 5214425 | Superimposed tell-tales | — | 1993-05-25 |
| 5210625 | Holographic efficiency adjustment | Gaylord E. Moss, Kevin Yu | 1993-05-11 |
| 5196951 | Reflection holograms without transmission ghosts | — | 1993-03-23 |
| 5162927 | High efficiency holograms by multiple-layer holography | Gaylord E. Moss, Edward T. Knobbe, Darrell F. Hatch | 1992-11-10 |
| 5155605 | Rotating disk with spatially stabilized images | James E. Scott, Richard B. Upper | 1992-10-13 |