Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12197415 | Methods and apparatus for information storage and retrieval using a caching technique with probe-limited open-address hashing | Mikhail Lotvin, David Garrod | 2025-01-14 |
| 11468033 | Methods and apparatus for information storage and retrieval using a caching technique with probe-limited open-address hashing | Mikhail Lotvin, David Garrod | 2022-10-11 |
| 10204127 | Methods and apparatus for information storage and retrieval using a caching technique with probe-limited open-address hashing | Mikhail Lotvin, David Garrod | 2019-02-12 |
| 9773244 | Tracking points related to a user account for online redemption | Mikhail Lotvin | 2017-09-26 |
| 9690699 | Methods and apparatus for information storage and retrieval using a caching technique with external-chain hashing and dynamic resource-dependent data shedding | — | 2017-06-27 |
| 9373134 | Acquisition of telephone service logic via buying request script | Mikhail Lotvin | 2016-06-21 |
| 9129316 | Providing location based triggers in a mobile environment | Mikhail Lotvin | 2015-09-08 |
| 9104678 | Methods and apparatus for information storage and retrieval using a caching technique with probe-limited open-address hashing | Mikhail Lotvin, David Garrod | 2015-08-11 |
| 9081672 | Methods and apparatus for information storage and retrieval using a caching technique with external-chain hashing and dynamic resource-dependent data shedding | — | 2015-07-14 |
| 8676619 | Online system enabling control of educational and advertising content | Mikhail Lotvin | 2014-03-18 |
| 7203656 | Computer apparatus and methods supporting different categories of users | Mikhail Lotvin | 2007-04-10 |
| 7062452 | Methods and systems for electronic transactions | Mikhail Lotvin | 2006-06-13 |
| 6178407 | Computer apparatus and methods supporting different categories of users | Mikhail Lotvin | 2001-01-23 |
| 5907831 | Computer apparatus and methods supporting different categories of users | Mikhail Lotvin | 1999-05-25 |
| 5893120 | Methods and apparatus for information storage and retrieval using a hashing technique with external chaining and on-the-fly removal of expired data | — | 1999-04-06 |
| 5287499 | Methods and apparatus for information storage and retrieval utilizing a method of hashing and different collision avoidance schemes depending upon clustering in the hash table | — | 1994-02-15 |
| 5121495 | Methods and apparatus for information storage and retrieval utilizing hashing techniques | — | 1992-06-09 |
| 4996663 | Methods and apparatus for decontaminating hash tables | — | 1991-02-26 |