G06F 12/0822
Copy directories
Official title: {Copy directories (local copy tags for implementing a bus snooping protocol G06F12/0831)}
G06F12/0822 (Copy directories) appears on 274 US grants and 229 published applications in this corpus.
Search patents in G06F- Granted patents
- 274
- Published applications
- 229
- Assignees
- 82
- Inventors
- 609
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 5 | 0 |
| 1994 | 4 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 2 |
| 2002 | 9 | 5 |
| 2003 | 3 | 3 |
| 2004 | 6 | 7 |
| 2005 | 6 | 6 |
| 2006 | 5 | 15 |
| 2007 | 6 | 13 |
| 2008 | 12 | 13 |
| 2009 | 10 | 13 |
| 2010 | 6 | 9 |
| 2011 | 6 | 4 |
| 2012 | 15 | 8 |
| 2013 | 5 | 8 |
| 2014 | 13 | 16 |
| 2015 | 17 | 13 |
| 2016 | 13 | 13 |
| 2017 | 13 | 14 |
| 2018 | 10 | 10 |
| 2019 | 9 | 6 |
| 2020 | 13 | 14 |
| 2021 | 10 | 6 |
| 2022 | 15 | 13 |
| 2023 | 9 | 2 |
| 2024 | 7 | 9 |
| 2025 | 6 | 7 |
| 2026 | 6 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Memory copy in mesh networks14 Jul 2026US 12,681,859 B2Google Inc.
- Memory system and method for operating memory system26 May 2026US 12,639,239 B2Samsung Electronics Co., Ltd.
- Memory migration and page fault avoidance7 Apr 2026US 12,596,653 B2Google Inc.
- Compact representation of transition sequences for single-state storage10 Mar 2026US 12,572,475 B2International Business Machines Corporation
- Core snooping cache10 Feb 2026US 12,547,544 B1Sap SE
- System architecture and techniques for pinned memory migration2 Oct 2025US 2025/0307151 A1Intel Corporation
- Cache memories in vertically integrated memory systems and associated systems and methods17 Jul 2025US 2025/0231877 A1Micron Technology, Inc.
- Smart Cache Cleaner19 Jun 2025US 2025/0199960 A1Advanced Micro Devices, Inc.
- Memory system and a method for garbage collection of the memory system5 Jun 2025US 2025/0181502 A1Yangtze Memory Technologies Co., Ltd.
- Memory address caching for neural networks24 Apr 2025US 2025/0130946 A1Synopsys, Inc.
Most cited
By later US patents
- Managing cache coherency in a data processing apparatus437US 7,937,535 B2Arm Limited · 2011
- Transaction activation processor for controlling memory transaction execution in a packet switched cache coherent multiprocessor system281US 5,655,100 ASun Microsystems, Inc. · 1997
- Scheme for insuring data consistency between a plurality of cache memories and the main memory in a multi-processor system119US 5,222,224 ADigital Equipment Corporation · 1993
- Packet switched cache coherent multiprocessor system119US 5,634,068 ASun Microsystems, Inc. · 1997
- Cache memory utilizing selective clearing and least recently used updating117US 4,322,795 AHoneywell Information Systems Inc. · 1982