Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9191385 | System and method for tracking network traffic of users in a research panel | Swaminathan Krishnamurthy, Elissa Lee, Shrikant Kelkar, Hal R. Varian | 2015-11-17 |
| 8726357 | System and method for tracking network traffic of users in a research panel | Swaminathan Krishnamurthy, Elissa Lee, Shrikant Kelkar, Hal R. Varian | 2014-05-13 |
| 8571921 | E-commerce price index | Hyunyoung Choi, Hal R. Varian | 2013-10-29 |
| 8433934 | Saving battery on wireless connections on mobile devices using internal motion detection | — | 2013-04-30 |
| 8374907 | E-commerce price index | Hyunyoung Choi, Hal R. Varian | 2013-02-12 |