G06F 12/121
Using replacement algorithms
Official title: using replacement algorithms
G06F12/121 (Using replacement algorithms) appears on 4,833 US grants and 4,572 published applications in this corpus.
Search patents in G06F- Granted patents
- 4,833
- Published applications
- 4,572
- Assignees
- 722
- Inventors
- 7,639
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 4 | 0 |
| 1978 | 9 | 0 |
| 1979 | 3 | 0 |
| 1980 | 6 | 0 |
| 1981 | 2 | 0 |
| 1982 | 5 | 0 |
| 1983 | 3 | 0 |
| 1984 | 8 | 0 |
| 1985 | 7 | 0 |
| 1986 | 4 | 0 |
| 1987 | 6 | 0 |
| 1988 | 6 | 0 |
| 1989 | 6 | 0 |
| 1990 | 13 | 0 |
| 1991 | 9 | 0 |
| 1992 | 12 | 0 |
| 1993 | 10 | 0 |
| 1994 | 20 | 0 |
| 1995 | 26 | 0 |
| 1996 | 49 | 0 |
| 1997 | 27 | 0 |
| 1998 | 49 | 0 |
| 1999 | 60 | 0 |
| 2000 | 51 | 0 |
| 2001 | 47 | 14 |
| 2002 | 86 | 57 |
| 2003 | 74 | 71 |
| 2004 | 73 | 108 |
| 2005 | 59 | 89 |
| 2006 | 85 | 105 |
| 2007 | 63 | 90 |
| 2008 | 81 | 151 |
| 2009 | 85 | 111 |
| 2010 | 101 | 121 |
| 2011 | 100 | 95 |
| 2012 | 116 | 149 |
| 2013 | 158 | 218 |
| 2014 | 171 | 255 |
| 2015 | 261 | 289 |
| 2016 | 319 | 284 |
| 2017 | 321 | 345 |
| 2018 | 310 | 281 |
| 2019 | 320 | 321 |
| 2020 | 294 | 298 |
| 2021 | 313 | 238 |
| 2022 | 260 | 212 |
| 2023 | 229 | 214 |
| 2024 | 204 | 189 |
| 2025 | 195 | 156 |
| 2026 | 107 | 111 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Cache structure and utilization6 Oct 2026US 12,754,876 B2Intel Corporation
- Row hammer effect mitigation through least row used buffering of writeback data29 Sep 2026US 12,748,707 B1
- Address range based memory hints for prefetcher, cache and memory controller22 Sep 2026US 12,743,378 B2Google Inc.
- Method and system for managing cache eviction based on recency and frequency22 Sep 2026US 12,743,381 B1Regatta Data Ltd.
- Scalable system on a chip15 Sep 2026US 12,737,296 B2Apple Inc.
- Cache data replacement method and related device8 Oct 2026US 2026/0310611 A1Huawei Technologies Co., Ltd.
- Cache data management in multicore systems1 Oct 2026US 2026/0300176 A1Advanced Micro Devices, Inc.
- Scan and useless prefetch resistant cache controller circuit for a hardware processor1 Oct 2026US 2026/0300186 A1Intel Corporation
- Methods and apparatus for eviction in dual datapath victim cache system1 Oct 2026US 2026/0300187 A1
- Similarity Based Data Reduction Using Fingerprint Matching24 Sep 2026US 2026/0288639 A1Everpure, Inc.
Most cited
By later US patents
- Digital data storage system with improved data migration1,757US 5,276,867 AEpoch Systems, Inc. · 1994
- Data transmission over the internet using a cache memory file system1,027US 5,950,205 ACisco Technology, Inc. · 1999
- Flash eeprom system602US 5,297,148 ASunDisk Corporation · 1994
- Flash EEprom system524US 5,602,987 ASanDisk Corporation · 1997
- Computing in parallel processing environments463US 8,738,860 B1Tilera Corporation · 2014