Issued Patents All Time
Showing 26–50 of 63 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8158037 | Photochromic materials having extended pi-conjugated systems and compositions and articles including the same | Anu Chopra, Jun Deng, Beon-Kyu Kim, Frank Molock, Victor A. Montes +3 more | 2012-04-17 |
| 8147725 | Photochromic materials having extended pi-conjugated systems and compositions and articles including the same | Anu Chopra, Jun Deng, Beon-Kyu Kim, Frank Molock, Victor A. Montes +3 more | 2012-04-03 |
| 8142909 | Blue phosphorescent imidazophenanthridine materials | Scott Beers, Peter Borden Mackenzie, Jui-Yi Tsai, Chun Lin, Walter Yeager +3 more | 2012-03-27 |
| 7915415 | Metal complexes of cyclometallated imidazo[1,2-f]phenanthridine and diimidazo[1,2-a:1′,2′-c]quinazoline ligands and isoelectronic and benzannulated analogs thereof | Chun Lin, Peter Borden Mackenzie, Jui-Yi Tsai, Robert W. Walters, Scott Beers +2 more | 2011-03-29 |
| 7911676 | Photochromic optical articles prepared with reversible thermochromic materials | Stephen D. Straight, Kevin J. Stewart, Forrest R. Blackburn | 2011-03-22 |
| 7851072 | Stable and efficient electroluminescent materials | Raymond Kwong, Bin Ma, William Ceyrolles | 2010-12-14 |
| 7709100 | Electroluminescent efficiency | Raymond Kwong, Bin Ma, Xiao Li, William Ceyrolles | 2010-05-04 |
| 7429426 | Organometallic compounds for use in electroluminescent devices | Cory S. Brown, Raymond Kwong, Yeh-Jiun Tung, Robert W. Walters, Peter Djurovich +2 more | 2008-09-30 |
| 7279232 | Electroluminescent stability | Raymond Kwong | 2007-10-09 |
| 7198859 | Materials and structures for enhancing the performance of organic light emitting devices | Raymond Kwong, Yeh-Jiun Tung, Bin Ma | 2007-04-03 |
| 7087321 | Organic light emitting devices having reduced pixel shrinkage | Raymond Kwong, Michael S. Weaver, Bin Ma, Jui-Yi Tsai, Michael Barone | 2006-08-08 |
| 7029765 | Organic light emitting devices having reduced pixel shrinkage | Raymond Kwong, Michael S. Weaver, Bin Ma, Jui-Yi Tsai, Michael Barone | 2006-04-18 |
| 7011897 | Organic light emitting materials and devices | Mark E. Thompson, Peter Djurovich, Raymond Kwong, Yeh-Jiun Tung, Jason Brooks +2 more | 2006-03-14 |
| 6916554 | Organic light emitting materials and devices | Bin Ma, Robert W. Walters, Raymond Kwong, Yeh-Jiun Tung, Peter Djurovich +1 more | 2005-07-12 |
| 6835469 | Phosphorescent compounds and devices comprising the same | Raymond Kwong, Mark E. Thompson | 2004-12-28 |
| 6687266 | Organic light emitting materials and devices | Bin Ma, Cory S. Brown, Drew Murphy, Mark E. Thompson | 2004-02-03 |
| 6348604 | Photochromic naphthopyrans | Clara M. Nelson, Anu Chopra, Barry Van Gemert, Anil Kumar | 2002-02-19 |
| 6296785 | Indeno-fused photochromic naphthopyrans | Clara M. Nelson, Anu Chopra, Olga G. Petrovskaia, Barry Van Gemert, Anil Kumar | 2001-10-02 |
| 5674432 | Photochromic naphthopyran compounds | Barry Van Gemert | 1997-10-07 |
| 5658500 | Substituted naphthopyrans | Anil Kumar, Barry Van Gemert | 1997-08-19 |
| 5658501 | Substituted naphthopyrans | Anil Kumar, Barry Van Gemert | 1997-08-19 |
| 5656206 | Substituted naphthopyrans | Barry Van Gemert, Anil Kumar | 1997-08-12 |
| 5651923 | Substituted naphthopyrans | Anil Kumar, Barry Van Gemert | 1997-07-29 |
| 5650098 | Substituted naphthopyrans | Anil Kumar, Barry Van Gemert | 1997-07-22 |
| 5585042 | Photochromic naphthopyrans | — | 1996-12-17 |