Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10847726 | Imidizo derivatives | Eric W. Forsythe, David C. Morton | 2020-11-24 |
| 10024223 | Two-stroke internal combustion engine | — | 2018-07-17 |
| 7964741 | Bibenzothiophene derivatives | Eric W. Forsythe, David C. Morton | 2011-06-21 |
| 7135243 | Organic electroluminescent devices | Eric W. Forsythe, David C. Morton | 2006-11-14 |
| 7090930 | Organic element for electroluminescent devices | Douglas R. Robello, Joseph C. Deaton, David J. Giesen, Christopher T. Brown | 2006-08-15 |
| 7026481 | Synthesis for quinacridone compounds | Lelia Cosimbescu | 2006-04-11 |
| 6720090 | Organic light emitting diode devices with improved luminance efficiency | Ralph H. Young, Ching W. Tang | 2004-04-13 |
| 6699595 | Electroluminescent device with polyphenyl hydrocarbon hole transport layer | Shiying Zheng, Ching W. Tang | 2004-03-02 |
| 6680132 | Red organic electroluminescent devices | Kevin P. Klubek | 2004-01-20 |
| 6638644 | Electroluminescent devices having diarylanthracene polymers | Shiying Zheng, Kathleen M. Vaeth | 2003-10-28 |
| 6613457 | Electroluminescent devices having diarylanthracene ladder polymers in emissive layers | Shiying Zheng | 2003-09-02 |
| 6596415 | Electroluminescent device with polyphenyl hydrocarbon hole transport layer | Shiying Zheng, Ching W. Tang | 2003-07-22 |
| 6475648 | Organic electroluminescent devices with improved stability and efficiency | Tukaram K. Hatwar, Gopalan Rajeswaran, Ching W. Tang | 2002-11-05 |
| 6465115 | Electroluminescent device with anthracene derivatives hole transport layer | Ching W. Tang, Kevin P. Klubek | 2002-10-15 |
| 6361886 | Electroluminescent device with improved hole transport layer | Ching W. Tang | 2002-03-26 |
| 6361887 | Electroluminescent devices having naphthylanthracene-based polymers | Shiying Zheng | 2002-03-26 |
| 6329086 | Electroluminescent devices having arylamine polymers | Shiying Zheng | 2001-12-11 |
| 6268072 | Electroluminescent devices having phenylanthracene-based polymers | Shiying Zheng, Kevin P. Klubek | 2001-07-31 |
| 6020078 | Green organic electroluminescent devices | Chin H. Chen, Ching W. Tang, Kevin P. Klubek | 2000-02-01 |
| 5972247 | Organic electroluminescent elements for stable blue electroluminescent devices | Chin H. Chen, Kevin P. Klubek | 1999-10-26 |
| 5935721 | Organic electroluminescent elements for stable electroluminescent | Ching W. Tang, Chin H. Chen | 1999-08-10 |
| 5935720 | Red organic electroluminescent devices | Chin H. Chen, Ching W. Tang | 1999-08-10 |
| 5928802 | Efficient blue organic electroluminescent devices | Chin H. Chen | 1999-07-27 |
| 5908581 | Red organic electroluminescent materials | Chin H. Chen, Kevin P. Klubek | 1999-06-01 |
| 5766779 | Electron transporting materials for organic electroluminescent devices | Ching W. Tang, Chin H. Chen | 1998-06-16 |