Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8970593 | Visualization and representation of data clusters and relations | Yifan Hu, Stephen Kobourov, Christopher Volinsky | 2015-03-03 |
| 8654126 | Methods, systems, and products for graphing data to reduce overlap | Yifan Hu | 2014-02-18 |
| 7889200 | System and method for generating circular layout graphs | Yehuda Koren | 2011-02-15 |
| 7656405 | System and method for generating circular layout graphs | Yehuda Koren | 2010-02-02 |
| 7454439 | System and method for large-scale data visualization | Eleftherios Koutsofios, Stephen C. North, Russell N. Truscott | 2008-11-18 |
| 4953106 | Technique for drawing directed graphs | Stephen C. North, Kiem-Phong Vo | 1990-08-28 |