Issued Patents All Time
Showing 25 most recent of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7009666 | Back lit cholesteric liquid crystal display | Asad A. Khan, Michael E. Stefanov | 2006-03-07 |
| 6246464 | Illumination system | John Vala, Johan P. Bakker, Robert T. Rourke, Paul Stolis, Gary Copenhaver +2 more | 2001-06-12 |
| 6178014 | Methods for illuminating documents | Gary Copenhaver, Johan P. Bakker, John Vala, David J. Concannon | 2001-01-23 |
| 5825945 | Document imaging with illumination from lambertian surfaces | Paul Stolis, John Vala, Johan P. Bakker, Gary Copenhaver, David J. Concannon +2 more | 1998-10-20 |
| 5780841 | Document-image camera mounted on reversible clamp | Johan P. Bakker, David B. Tratar, John Vala | 1998-07-14 |
| 5717504 | Apparatus for illuminating documents | Gary Copenhaver, Johan P. Bakker, John Vala, David J. Concannon | 1998-02-10 |
| 5644330 | Driving method for polymer stabilized and polymer free liquid crystal displays | Haiji Yuan, Minhua Lu | 1997-07-01 |
| 5640207 | Camera for high-speed imaging | Gilbert Rahmouni, Johan P. Bakker, Jean Pierre Servain, Jean Claude Cefelman, Gilles Debieu +1 more | 1997-06-17 |
| 5606173 | Arrangement for aligning, focusing and normalizing imaging system | David J. Concannon, Gary Copenhaver | 1997-02-25 |
| 5591961 | Illumination with bent fluorescent tubes | Johan P. Bakker, David B. Tratar, John Vala | 1997-01-07 |
| 5519513 | Techniques for illuminating objects | Gary Copenhaver, Johan P. Bakker, John Vala, David J. Concannon | 1996-05-21 |
| 5491336 | Document illumination with Lambertian cavity | David J. Concannon, Gary Copenhaver, Johan P. Bakker, John Vala | 1996-02-13 |
| 5471048 | Document imaging lamps with bent dark ends | Johan P. Bakker, David B. Tratar, John Vala | 1995-11-28 |
| 5453849 | Integrating cylinder for object illumination | Gary Copenhaver, Johan P. Bakker, John Vala, David J. Concannon | 1995-09-26 |
| 5420945 | Methods for aligning focusing and normalizing imaging system | David J. Concannon, Gary Copenhaver | 1995-05-30 |
| 5420944 | Techniques for aligning, focusing and normalizing imaging system | David J. Concannon, Gary Copenhaver | 1995-05-30 |
| 5371356 | Document imaging with `doubly-bent` lamps | Johan P. Bakker, David B. Tratar, John Vala | 1994-12-06 |
| 5313726 | Programmable light modulator for viewing transparent film prints | Zvi Yaniv, Lionel Robbins | 1994-05-24 |
| 5272331 | Document imaging camera with lamp bent into symmetrical lamp segments | Johan P. Bakker, David B. Tratar, John Vala | 1993-12-21 |
| 5068912 | Track gauges for aligning and focussing the imaging system in a high speed document handling system | David J. Concannon, Gary Copenhaver | 1991-11-26 |
| 5063599 | Electronic image lift | David J. Concannon, Gary Copenhaver, Johan P. Bakker, John Vala, Gerald J. Banks | 1991-11-05 |
| 4993802 | Randomizing optical converter for illumination beam and method utilizing same | David J. Concannon, John Vala | 1991-02-19 |
| 4827084 | Solid state image detector and signal generator | Zvi Yaniv, Vincent D. Cannella, John McGill, Mike Prewarski, Ronald G. Mulberger | 1989-05-02 |
| 4827085 | Voice and image teleconferencing system including paperless facsimile means | Zvi Yaniv | 1989-05-02 |
| 4746804 | Photosensitive pixel with exposed blocking element | Koichi Kitamura, Louis D. Swartz, Zvi Yaniv | 1988-05-24 |