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

Charles J. Alpert

IBM: 91 patents #667 of 70,183Top 1%
CSCadence Design Systems: 27 patents #17 of 2,263Top 1%
Globalfoundries: 1 patents #2,221 of 4,424Top 55%
Cedar Park, TX: #6 of 1,158 inventorsTop 1%
Texas: #316 of 125,132 inventorsTop 1%
Overall (All Time): #10,112 of 4,157,543Top 1%
119 Patents All Time

Issued Patents All Time

Showing 26–50 of 119 patents

Patent #TitleCo-InventorsDate
10216880 Systems and methods for power efficient flop clustering Wen-Hao Liu, Zhuo Li, Brian Wilson 2019-02-26
10198551 Clock cell library selection Amin Farshidi, Zhuo Li, William Robert Reece 2019-02-05
10102328 System and method for constructing spanning trees Wen-Hao Liu, Zhuo Li, Mehmet Can Yildiz 2018-10-16
10095824 Systems and methods for symmetric H-tree construction with complicated routing blockages Zhuo Li, Wen-Hao Liu, Brian Wilson 2018-10-09
10031994 Systems and methods for congestion and routability aware detailed placement Wen-Hao Liu, Jhih-Rong Gao, Mehmet Can Yildiz, Zhuo Li 2018-07-24
9946824 Efficient Ceff model for gate output slew computation in early synthesis Zhuo Li, Sani R. Nassif, Yilin Zhang, Ying Zhou 2018-04-17
9875326 Addressing coupled noise-based violations with buffering in a batch environment William E. Dougherty, Jr., Zhuo Li, Stephen T. Quay, Ying Zhou 2018-01-23
9785738 System and method for evaluating spanning trees Zhuo Li, Wing-Kai Chow, Wen-Hao Liu, Derong Liu 2017-10-10
9524363 Element placement in circuit design based on preferred location Gi-Joon Nam, Chin Ngai Sze, Paul G. Villarrubia, Natarajan Viswanathan 2016-12-20
9106560 Solving network traffic congestion using device grouping Zhuo Li, Chin Ngai Sze, Yaoguang Wei 2015-08-11
9098669 Boundary latch and logic placement to satisfy timing constraints Mark D. Aubel, Gregory F. Ford, Zhuo Li, Chin Ngai Sze, Paul G. Villarrubia +1 more 2015-08-04
9092591 Automatic generation of wire tag lists for a metal stack Robert M. Averill, III, Eric Jason Fluhr, Zhuo Li, Tuhin Mahmud, Jose L. P. Neves +3 more 2015-07-28
9047436 Computer-based modeling of integrated circuit congestion and wire distribution for products and services Zhuo Li, Chin Ngai Sze, Jia Lin Wang, Yaoguang Wei 2015-06-02
9038009 Early design cycle optimization Robert M. Averill, III, Zhuo Li, Jose L. Neves, Stephen T. Quay 2015-05-19
9026976 Congestion aware routing using random points Zhuo Li, Chin Ngai Sze, Yaoguang Wei 2015-05-05
8954912 Structured placement of latches/flip-flops to minimize clock power in high-performance designs Zhuo Li, Gi-Joon Nam, Shyam Ramji, Chin Ngai Sze, Paul G. Villarrubia +1 more 2015-02-10
8949762 Computer-based modeling of integrated circuit congestion and wire distribution for products and services Zhuo Li, Chin Ngai Sze, Jia Lin Wang, Yaoguang Wei 2015-02-03
8930873 Creating regional routing blockages in integrated circuit design Zhuo Li, Gi-Joon Nam, Sven Peyer, Sourav Saha, Chin Ngai Sze +1 more 2015-01-06
8897998 Solving traffic congestion using vehicle grouping Zhuo Li, Chin Ngai Sze, Yaoguang Wei 2014-11-25
8892344 Solving traffic congestion using vehicle grouping Zhuo Li, Chin Ngai Sze, Yaoguang Wei 2014-11-18
8881089 Physical synthesis optimization with fast metric check Glenn R. Bee, Zhuo Li, Tuhin Mahmud, Stephen T. Quay, Lakshmi N. Reddy +2 more 2014-11-04
8831875 Solving traffic congestion using vehicle grouping Zhuo Li, Chin Ngai Sze, Yaoguang Wei 2014-09-09
8826215 Routing centric design closure Zhuo Li, Gi-Joon Nam, Chin Ngai Sze, Paul G. Villarrubia 2014-09-02
8793636 Placement of structured nets Myung-Chul Kim, Zhuo Li, Natarajan Viswanathan, Samuel I. Ward 2014-07-29
8782584 Post-placement cell shifting Zhuo Li, Gi-Joon Nam, Shyam Ramji, Lakshmi N Reddy, Jarrod A. Roy +3 more 2014-07-15