Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8242489 | OLED with high efficiency blue light-emitting layer | Marina E. Kondakova | 2012-08-14 |
| 7629741 | OLED electron-injecting layer | Liang-Sheng Liao, Wojciech K. Slusarek, Michele L. Ricks, Dustin L. Comfort | 2009-12-08 |
| 7517595 | Electroluminescent devices with mixed electron transport materials | William J. Begley, Tukaram K. Hatwar, Natasha Andrievsky | 2009-04-14 |
| 7374828 | Organic electroluminescent devices with additive | Marina E. Kondakova | 2008-05-20 |
| 7288330 | High performance white light-emitting OLED device | Tukaram K. Hatwar, Jeffrey P. Spindler | 2007-10-30 |
| 7084425 | Organic electroluminescent devices | Marina E. Kondakova | 2006-08-01 |
| 7079091 | Compensating for aging in OLED devices | Denis Y. Kondakov, James R. Milch, James R. Sandifer | 2006-07-18 |
| 6875524 | White light-emitting device with improved doping | Tukaram K. Hatwar, Christopher T. Brown | 2005-04-05 |
| 6727644 | Organic light-emitting device having a color-neutral dopant in an emission layer and in a hole and/or electron transport sublayer | Tukaram K. Hatwar | 2004-04-27 |
| 6720090 | Organic light emitting diode devices with improved luminance efficiency | Jianmin Shi, Ching W. Tang | 2004-04-13 |
| 6692846 | Organic electroluminescent device having a stabilizing dopant in a hole-transport layer or in an electron-transport layer distant from the emission layer | Tukaram K. Hatwar | 2004-02-17 |
| 6565996 | Organic light-emitting device having a color-neutral dopant in a hole-transport layer and/or in an electron-transport layer | Tukaram K. Hatwar | 2003-05-20 |
| 6168911 | Formulations for preparing metal oxide-based pigment-binder transparent electrically conductive layers | Mark Lelental, John M. Noonan | 2001-01-02 |
| 5618950 | Electrophotographic elements and soluble cyclic sulfone electron transport agents | Michael R. Detty, John Sinicropi, J. Robin Cowdery-Corvan | 1997-04-08 |
| 5500317 | Electrophotographic elements containing soluble cyclic sulfone electron transport agents | Michael R. Detty, John Sinicropi, J. Robin Cowdery-Corvan | 1996-03-19 |
| 5468583 | Cyclic bis-dicarboximide electron transport compounds for electrophotography | William T. Gruenbaum, Teh-Ming Kung | 1995-11-21 |
| 5352802 | Aromatic heterocyclic-substituted cyclic sulfone compounds and electrophotographic elements containing them | Michael R. Detty, John Sinicropi, J. Robin Cowdery | 1994-10-04 |
| 5324604 | Multi-active electrophotographic element and imaging process using free radicals as charge transport material | Douglas E. Bugner, Teh-Ming Kung | 1994-06-28 |
| 5300385 | Aromatic heterocyclic-substituted cyclic sulfone compounds and electrophotographic elements containing them | Michael R. Detty, John Sinicropi, J. Robin Cowdery | 1994-04-05 |
| 5288573 | Photoconductive elements which are sensitive to near-infrared radiation | Yann Hung, William Mey | 1994-02-22 |
| 5272032 | Multiactive electrophotographic elements containing electron transport agents | J. Robin Cowdery, Michael R. Detty, David Birenbaum Engel | 1993-12-21 |
| 5266429 | Polyester-imides in electrophotographic elements | Louis J. Sorriero, Teh-Ming Kung, Joseph A. Pavlisko | 1993-11-30 |
| 5232800 | Method for improving charge mobility in electrophotographic photoreceptors | Joseph A. Pavlisko, Louis J. Sorriero | 1993-08-03 |
| 5184323 | Photorefractive device and process for its use | Jay S. Schildkraut, David Williams, Michael Scozzafava | 1993-02-02 |
| 4999809 | Photorefractive device and process for its use | Jay S. Schildkraut, David Williams, Michael Scozzafava | 1991-03-12 |