Friend; Richard H.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Friend; Richard H..The latest application filed is for "electro optic devices".
- Friend; Richard H. - Cambridge N/A GB
| Patent | Date |
|---|---|
| Manufacture of a polymer device Grant 8,530,269 - Chua , et al. September 10, 2 | 2013-09-10 |
| Electro Optic Devices App 20130069043 - Friend; Richard H. ; et al. | 2013-03-21 |
| Electro-optic Diode Devices App 20110140091 - Friend; Richard H. ; et al. | 2011-06-16 |
| Manufacture of a polymer device App 20070172978 - Chua; Lay-Lay ; et al. | 2007-07-26 |
| Photoresponsive devices Grant 6,872,970 - Halls , et al. March 29, 2 | 2005-03-29 |
| Methods for controlling a light-emissive display App 20040201583 - Burroughes, Jeremy ; et al. | 2004-10-14 |
| Photoresponsive devices App 20040132226 - Halls, Jonathan J. ; et al. | 2004-07-08 |
| Method of preparing photoresponsive devices, and devices made thereby Grant 6,670,213 - Halls , et al. December 30, 2 | 2003-12-30 |
| n-type thiophene semiconductors Grant 6,608,323 - Marks , et al. August 19, 2 | 2003-08-19 |
| Method of preparing photoresponsive devices, and devices made thereby App 20030066950 - Halls, Jonathan J. ; et al. | 2003-04-10 |
| Display devices Grant 6,498,049 - Friend , et al. December 24, 2 | 2002-12-24 |
| Electroluminescent devices Grant 6,429,601 - Friend , et al. August 6, 2 | 2002-08-06 |
| n-type thiophene semiconductors App 20020053666 - Marks, Tobin J. ; et al. | 2002-05-09 |
| Photoresponsive device with a photoresponsive zone comprising a polymer blend Grant 5,670,791 - Halls , et al. September 23, 1 | 1997-09-23 |
| Photodetector device having a semiconductive conjugated polymer Grant 5,523,555 - Friend , et al. June 4, 1 | 1996-06-04 |
| Polymers for electroluminescent devices Grant 5,514,878 - Holmes , et al. May 7, 1 | 1996-05-07 |
| Semiconductive copolymers for use in luminescent devices Grant 5,512,654 - Holmes , et al. April 30, 1 | 1996-04-30 |
| Optical device incorporating semiconductive conjugated polymer Grant 5,425,125 - Holmes , et al. June 13, 1 | 1995-06-13 |
| Semiconductive copolymers for use in luminescent devices Grant 5,401,827 - Holmes , et al. March 28, 1 | 1995-03-28 |
| Method of manufacturing of electrolumineschent devices Grant 5,399,502 - Friend , et al. March 21, 1 | 1995-03-21 |
| Patterning of semiconductive polymers Grant 5,328,809 - Holmes , et al. July 12, 1 | 1994-07-12 |
| Electroluminescent devices Grant 5,247,190 - Friend , et al. September 21, 1 | 1993-09-21 |
| Optical modulators based on polymers Grant 4,923,288 - Allen , et al. May 8, 1 | 1990-05-08 |
uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.
While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.
All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.
| 