Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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David A. Papa — 12 Patents

IBM: 12 patents #9,222 of 70,183Top 15%
Texas: #12,559 of 125,132 inventorsTop 15%
Overall (All Time): #421,296 of 4,157,543Top 15%
12 Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
8856495 Automatically routing super-compute interconnects Wael R. El-Essawy, Jarrod A. Roy 2014-10-07
8850163 Automatically routing super-compute interconnects Wael R. El-Essawy, Jarrod A. Roy 2014-09-30
8725483 Minimizing the maximum required link capacity for three-dimensional interconnect routing Wael R. Ei-Essawy, Jarrod A. Roy 2014-05-13
8677299 Latch clustering with proximity to local clock buffers Charles J. Alpert, Zhuo Li, Gi-Joon Nam, Chin Ngai Sze, Natarajan Viswanathan 2014-03-18
8667441 Clock optimization with local clock buffer control optimization Charles J. Alpert, Zhuo Li, Gi-Joon Nam, Chin Ngai Sze, Natarajan Viswanathan 2014-03-04
8479136 Decoupling capacitor insertion using hypergraph connectivity analysis Jeremy T. Hopkins, Samuel I. Ward 2013-07-02
8458634 Latch clustering with proximity to local clock buffers Charles J. Alpert, Zhuo Li, Gi-Joon Nam, Chin Ngai Sze, Natarajan Viswanathan 2013-06-04
8418108 Accuracy pin-slew mode for gate delay calculation Charles J. Alpert, Zhuo Li, Gi-Joon Nam, Chin Ngai Sze, Natarajan Viswanathan +1 more 2013-04-09
8141017 Method for bounded transactional timing analysis Michael D. Moffitt 2012-03-20
8015532 Optimal timing-driven cloning under linear delay model Charles J. Alpert, Zhuo Li, Chin Ngai Sze 2011-09-06
7761832 Method for incremental, timing-driven, physical-synthesis optimization under a linear delay model Charles J. Alpert, Zhuo Li, Tao Luo, Chin Ngai Sze 2010-07-20
7707530 Incremental timing-driven, physical-synthesis using discrete optimization Charles J. Alpert, Zhuo Li, Michael D. Moffitt 2010-04-27