Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10788746 | Relief image-forming method and assembly | Elsie A. Fohrenkamm, M. Zaki Ali | 2020-09-29 |
| 10768520 | Mask element precursor and relief image-forming system | Elsie A. Fohrenkamm, M. Zaki Ali | 2020-09-08 |
| 9250527 | Mask forming imageable material and use | — | 2016-02-02 |
| 8945813 | Mask forming imageable material and use | — | 2015-02-03 |
| 8632961 | Flexographic processing solution and use | Elsie A. Fohrenkamm, M. Zaki Ali, Michael B. Heller | 2014-01-21 |
| 8199176 | Laser thermal donor elements and method of use | Pao Vang | 2012-06-12 |
| 7226709 | Digital mask-forming film and method of use | Pao Vang | 2007-06-05 |
| 7172992 | Biguanide bleaching agent for a thermal-imaging receptor element | Richard R. Ollmann, Pao Vang | 2007-02-06 |
| 7147902 | Multi-layer laser thermal image receptor sheet with internal tie layer | Michael B. Heller, M. Zaki Ali | 2006-12-12 |
| 6962765 | Laser-generated ultraviolet radiation mask | Donald L. Swihart, Richard C. Buchholtz | 2005-11-08 |
| 6899988 | Laser thermal metallic donors | Elsie A. Fohrenkamm, Gregory L. Zwaldo | 2005-05-31 |
| 6855474 | Laser thermal color donors with improved aging characteristics | M. Zaki Ali, Pao Vang | 2005-02-15 |
| 6001530 | Laser addressed black thermal transfer donors | Richard R. Ollmann, Richard A. Gaboury, Gregory L. Zwadlo | 1999-12-14 |
| 5935758 | Laser induced film transfer system | Ranjan C. Patel, Mark R. I. Chambers, Dian E. Stevenson, Jonathan C. Vogel, John Souter +1 more | 1999-08-10 |
| 5302482 | Liquid electrophotographic toner | Mohamed A. Elmasry, Susan K. Jongewaard, Gregory L. Zwadlo | 1994-04-12 |
| 5262825 | Density process control for an electrophotographic proofing system | Charles K. Nordeen, Gregory L. Zwadlo, Larry J. Bresina | 1993-11-16 |
| 5066559 | Liquid electrophotographic toner | Mohamed A. Elmasry | 1991-11-19 |
| 5061583 | Color electrophotography for high quality half-tone images | Gregory L. Zwadlo, Mohamed A. Elmasry | 1991-10-29 |
| 5028507 | Infrared-transparent black liquid toner | — | 1991-07-02 |
| 4988602 | Liquid electrophotographic toner with acid containing polyester resins | Susan K. Jongewaard, Mohamed A. Elmasry | 1991-01-29 |
| 4978598 | Process for producing a liquid electrophotographic toner | Mohamed A. Elmasry | 1990-12-18 |
| 4925766 | Liquid electrophotographic toner | Mohamed A. Elmasry | 1990-05-15 |
| 4822643 | Thermal transfer imaging system | Hsin-hsin Chou, Mohamed A. Elmasry, Jeffrey C. Chang | 1989-04-18 |
| 4728983 | Single beam full color electrophotography | Gregory L. Zwadlo | 1988-03-01 |