Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9246875 | Identifying and blocking prohibited content items in a content management system | — | 2016-01-26 |
| 9120017 | Arrangement for building and operating human-computation and other games | David M. Chickering, Edith Law | 2015-09-01 |
| 8768919 | Web searching | Kumar Chellapilla, Xuanhui Wang | 2014-07-01 |
| 8290945 | Web searching | Kumar Chellapilla, Xuanhui Wang | 2012-10-16 |
| 8271500 | Minimal perfect hash functions using double hashing | Kumar Chellapilla | 2012-09-18 |
| 8196186 | Security architecture for peer-to-peer storage system | Denis X. Charles, Kristin E. Lauter | 2012-06-05 |
| 8190895 | Authenticated key exchange with derived ephemeral keys | Kristin E. Lauter, Brian A. LaMacchia | 2012-05-29 |
| 8180047 | Trapdoor pairings | Kristin E. Lauter, Denis X. Charles | 2012-05-15 |
| 8137201 | Arrangement for building and operating human-computation and other games | David M. Chickering, Edith Law | 2012-03-20 |
| 7949657 | Detecting zero-result search queries | Kumar Chellapilla | 2011-05-24 |
| 7908482 | Key confirmed authenticated key exchange with derived ephemeral keys | Kristin E. Lauter, Brian A. LaMacchia | 2011-03-15 |
| 7836058 | Web searching | Kumar Chellapilla, Xuanhui Wang | 2010-11-16 |
| 7792877 | Scalable minimal perfect hashing | Kumar Chellapilla, Denis X. Charles | 2010-09-07 |
| 7743013 | Data partitioning via bucketing bloom filters | Kumar Chellapilla, Denis X. Charles | 2010-06-22 |
| 7694141 | Extended authenticated key exchange with key confirmation | Kristin E. Lauter | 2010-04-06 |
| 7657029 | Systems and methods for generating random addition chains | Ilya Mironov, Yaacov Nissim Kobliner | 2010-02-02 |
| 7627760 | Extended authenticated key exchange | Kristin E. Lauter | 2009-12-01 |