Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
DK

David B. Knowles — 2 Patents in 2016

Comcast: 1 patents #203 of 539Top 40%
Johnson & Johnson: 1 patents #405 of 988Top 45%
Vandergrift, PA: #1 of 13 inventorsTop 8%
Pennsylvania: #1,013 of 7,031 inventorsTop 15%
Overall (2016): #149,552 of 481,213Top 35%
2 Patents 2016

Issued Patents 2016

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
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