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

Howard Cheskin

Abbott: 7 patents #950 of 5,431Top 20%
Glencoe, IL: #34 of 188 inventorsTop 20%
Illinois: #13,022 of 84,256 inventorsTop 20%
Overall (All Time): #757,445 of 4,157,543Top 20%
7 Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
6720004 Controlled release formulation of divalproex sodium Yihong Qiu, J. Daniel Bollinger, Sandeep Dutta, Kevin R. Engh, Richard P. Poska 2004-04-13
6713086 Controlled release formulation of divalproex sodium Yihong Qiu, J. Daniel Bollinger, Sandeep Dutta, Kevin R. Engh, Richard P. Poska 2004-03-30
6528090 Controlled release formulation of divalproex sodium Yihong Qiu, J. Daniel Bollinger, Sandeep Dutta, Kevin R. Engh, Richard P. Poska 2003-03-04
6528091 Controlled release formulation of divalproex sodium Yihong Qiu, Paul Richard Poska, J. Daniel Bollinger, Robert K. Engh 2003-03-04
6511678 Controlled release formulation of divalproex sodium Yihong Qiu, J. Daniel Bollinger, Sandeep Dutta, Kevin R. Engh, Richard P. Poska 2003-01-28
6419953 Controlled release formulation of divalproex sodium Yihong Qiu, Paul Richard Poska, J. Daniel Bollinger, Robert K. Engh 2002-07-16
5807574 Homogeneous mixtures of low temperature-melting drugs and additives for controlled release Thomas Hale, Kurt G. Van Scoik, Ji Zhou 1998-09-15