G06F 12/122
Of the least frequently used [lfu] type
Official title: of the least frequently used [LFU] type, e.g. with individual count value
G06F12/122 (Of the least frequently used [lfu] type) appears on 686 US grants and 641 published applications in this corpus.
Search patents in G06F- Granted patents
- 686
- Published applications
- 641
- Assignees
- 174
- Inventors
- 1,255
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 6 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 1 |
| 2002 | 8 | 11 |
| 2003 | 7 | 8 |
| 2004 | 10 | 12 |
| 2005 | 10 | 11 |
| 2006 | 10 | 10 |
| 2007 | 9 | 6 |
| 2008 | 6 | 14 |
| 2009 | 4 | 20 |
| 2010 | 10 | 15 |
| 2011 | 11 | 12 |
| 2012 | 10 | 20 |
| 2013 | 26 | 39 |
| 2014 | 34 | 53 |
| 2015 | 58 | 54 |
| 2016 | 62 | 55 |
| 2017 | 68 | 84 |
| 2018 | 75 | 45 |
| 2019 | 57 | 32 |
| 2020 | 51 | 32 |
| 2021 | 33 | 24 |
| 2022 | 29 | 16 |
| 2023 | 18 | 27 |
| 2024 | 20 | 12 |
| 2025 | 17 | 17 |
| 2026 | 11 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and system for managing cache eviction based on recency and frequency22 Sep 2026US 12,743,381 B1Regatta Data Ltd.
- Method of privately sharing correlated state information on demand11 Aug 2026US 12,705,518 B2Qubit Moving and Storage, LLC
- Virtual file system for cloud-based shared content21 Jul 2026US 12,689,753 B2Box, Inc.
- Method and system for managing cache data based on score23 Jun 2026US 12,664,092 B2Samsung Sds Co., Ltd.
- Data eviction method and apparatus, cache node, and cache system9 Jun 2026US 12,650,925 B2Huawei Cloud Computing Technologies Co., Ltd.
- Similarity Based Data Reduction Using Fingerprint Matching24 Sep 2026US 2026/0288639 A1Everpure, Inc.
- Power-optimized cache architecture using distance-based way allocation24 Sep 2026US 2026/0288654 A1QUALCOMM Incorporated
- Two-level context caching and eviction for scatter-gather dma3 Sep 2026US 2026/0259842 A1Hewlett Packard Enterprise Development LP
- Low overhead observation of memory accesses through cache coherence mechanisms30 Jul 2026US 2026/0220046 A1
- Dynamic resizing of probabilistic data structures for use in cache admission policies16 Jul 2026US 2026/0203231 A1Seagate Technology LLC
Most cited
By later US patents
- Computing in parallel processing environments463US 8,738,860 B1Tilera Corporation · 2014
- Dual threshold system for immediate or delayed scheduled migration of computer data files206US 5,313,631 AHewlett-Packard Company · 1994
- Caching protocol method and system based on request frequency and relative storage duration203US 6,425,057 B1Hewlett-Packard Company · 2002
- External information storage system with a semiconductor memory200US 5,524,230 AInternational Business Machines Corporation · 1996
- Method and apparatus for computer disk cache management193US 5,778,430 AECCS, Inc. · 1998