Issued Patents All Time
Showing 1–25 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10955648 | Projection television device and screen | Mark Peterson, T Scott ENGLE | 2021-03-23 |
| 10663702 | Zoom lens system and imaging apparatus | Kazuhiro Oe | 2020-05-26 |
| 10422981 | Lens system and imaging apparatus having adjacent stop and fixed lens system at an output side | Kazuhiro Oe | 2019-09-24 |
| 9910251 | Lens system and imaging apparatus having a lens at each side of an intermediate image which move in synchronization during focusing | Kazuhiro Oe | 2018-03-06 |
| 9733459 | Projected television device and screen | Mark Peterson, T. Scott Engle | 2017-08-15 |
| 9529181 | Zoom lens system and imaging apparatus | Kazuhiro Oe | 2016-12-27 |
| 9429826 | Projection television device and screen | Mark Peterson, T. Scott Engle | 2016-08-30 |
| 9217912 | Projection television device and screen | Mark Peterson, T. Scott Engle | 2015-12-22 |
| 8081377 | Wide angle lens system having a distorted intermediate image | — | 2011-12-20 |
| 7777949 | Laminate screen for a display device | Mark Peterson | 2010-08-17 |
| 7768715 | Whole system zoom and varifocal lens with intermediate image | Mark Peterson | 2010-08-03 |
| 7567380 | Rear projection display device having multiple mirrors that are substantially parallel to a screen | Mark Peterson | 2009-07-28 |
| 7545586 | Wide angle lens system having a distorted intermediate image | — | 2009-06-09 |
| 7520622 | Display dock with integrated display screen | — | 2009-04-21 |
| 7413312 | Projection device and screen | T. Scott Engle | 2008-08-19 |
| 7384154 | Temperature control system and method for projection device lenses | Don Rhodes | 2008-06-10 |
| 7375772 | Color video projection system employing reflective liquid crystal display devices | Kurt A. Stahl | 2008-05-20 |
| 7347559 | Color video projection system employing reflective liquid crystal display devices | Kurt A. Stahl | 2008-03-25 |
| 7341353 | Variable fresnel screen for use in projection device | Mark Peterson, David Glaess | 2008-03-11 |
| 7310185 | Double pass illumination system | — | 2007-12-18 |
| 7259912 | Fresnel lens having reduced distortions | T. Scott Engle, David E. Slobodin | 2007-08-21 |
| 7253954 | Flat valley fresnel lens | Mark Peterson | 2007-08-07 |
| 7175287 | Wide angle projection lens | — | 2007-02-13 |
| 7140735 | Rear projection display device having multiple mirrors that are substantially parallel to a screen | Mark Peterson | 2006-11-28 |
| 7102820 | Flat valley fresnel lens for a display device | Mark Peterson | 2006-09-05 |