DK

David B. Knowles

CO Comcast: 27 patents #129 of 4,447Top 3%
TO Transitions Optical: 25 patents #3 of 143Top 3%
UC University Of Southern California: 5 patents #144 of 1,826Top 8%
PI Ppg Industries: 4 patents #280 of 1,216Top 25%
Johnson & Johnson: 4 patents #2,223 of 7,810Top 30%
PO Ppg Industries Ohio: 2 patents #525 of 1,316Top 40%
Overall (All Time): #35,735 of 4,157,543Top 1%
63
Patents All Time

Issued Patents All Time

Showing 25 most recent of 63 patents

Patent #TitleCo-InventorsDate
12097521 Apparatus and method for precision coating of ophthalmic lenses with photochromic coatings Elizabeth A. Zezinka, Cathy A. Taylor, Michael Frank Haley, Brian Smyth, Anil Kumar +1 more 2024-09-24
11795331 Curable photochromic compositions Michael Frank Haley, Linda K. Anderson, Anthony Thomas Gestrich, Stephen G. Robinson, Feng Wang +1 more 2023-10-24
11525027 Curable photochromic composition including a segmented polymer Stephen G. Robinson, Anthony Thomas Gestrich, Michael Frank Haley, Cathy A. Taylor, Elizabeth A. Zezinka 2022-12-13
10978649 Organic electroluminescent materials and devices Chun Lin, Peter Borden Mackenzie, Jui-Yi Tsai, Robert W. Walters, Scott Beers +2 more 2021-04-13
10749121 Organic electroluminescent materials and devices Chun Lin, Peter Borden Mackenzie, Jui-Yi Tsai, Robert W. Walters, Scott Beers +2 more 2020-08-18
10403831 Organic electroluminescent materials and devices Chun Lin, Peter Borden Mackenzie, Jui-Yi Tsai, Robert W. Walters, Scott Beers +2 more 2019-09-03
10158090 Organic electroluminescent materials and devices Chun Lin, Peter Borden Mackenzie, Jui-Yi Tsai, Robert W. Walters, Scott Beers +2 more 2018-12-18
9893306 Organic electroluminescent materials and devices Chun Lin, Peter Borden Mackenzie, Jui-Yi Tsai, Robert W. Walters, Scott Beers +2 more 2018-02-13
9722193 Organic electroluminescent materials and devices Chun Lin, Peter Borden Mackenzie, Jui-Yi Tsai, Robert W. Walters, Scott Beers +2 more 2017-08-01
9548462 Organic electroluminescent materials and devices Chun Lin, Peter Borden Mackenzie, Jui-Yi Tsai, Robert W. Walters, Scott Beers +2 more 2017-01-17
9465234 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 2016-10-11
9281483 Organic electroluminescent materials and devices Chun Lin, Peter Borden Mackenzie, Jui-Yi Tsai, Robert W. Walters, Scott Beers +2 more 2016-03-08
9097916 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 2015-08-04
9065063 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 2015-06-23
9028728 Photochromic materials that include indeno-fused naphthopyrans Kevin E. Bancroft, Anu Chopra, Xiao-Man Dai, Beon-Kyu Kim, Jason R. Lewis +8 more 2015-05-12
8889864 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 2014-11-18
8766529 Metal complexes of cyclometallated imidazo[1,2-ƒ]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 2014-07-01
8741188 Ophthalmic devices comprising photochromic materials having extended pi-conjugated systems Anu Chopra, Jun Deng, Beon-Kyu Kim, Frank Molock, Victor A. Montes +3 more 2014-06-03
8691988 Metal complexes of cyclometallated imidazo (1,2-f) phenanthridine (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 2014-04-08
8603645 Stable and efficient electroluminescent materials Raymond Kwong, Bin Ma, William Ceyrolles 2013-12-10
8547625 Photochromic optical articles prepared with reversible thermochromic materials Stephen D. Straight, Kevin J. Stewart, Forrest R. Blackburn 2013-10-01
8535577 Photochromic materials that include 6-amino substituted indeno-fused naphthopyrans Anu Chopra, Huayun Yu 2013-09-17
8449990 Electroluminescent efficiency Raymond Kwong, Bin Ma, Xiao Li, William Ceyrolles 2013-05-28
8388872 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 2013-03-05
8277699 Photochromic materials that include 6-amino substituted indeno-fused naphthopyrans Anu Chopra, Huayun Yu 2012-10-02