G06F 9/526
Mutual exclusion algorithms
Official title: {Mutual exclusion algorithms}
G06F9/526 (Mutual exclusion algorithms) appears on 1,969 US grants and 2,043 published applications in this corpus.
Search patents in G06F- Granted patents
- 1,969
- Published applications
- 2,043
- Assignees
- 434
- Inventors
- 3,693
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 6 | 0 |
| 1994 | 9 | 0 |
| 1995 | 7 | 0 |
| 1996 | 8 | 0 |
| 1997 | 9 | 0 |
| 1998 | 5 | 0 |
| 1999 | 15 | 0 |
| 2000 | 7 | 0 |
| 2001 | 7 | 2 |
| 2002 | 20 | 24 |
| 2003 | 20 | 51 |
| 2004 | 30 | 69 |
| 2005 | 29 | 56 |
| 2006 | 57 | 86 |
| 2007 | 46 | 95 |
| 2008 | 66 | 106 |
| 2009 | 64 | 87 |
| 2010 | 91 | 85 |
| 2011 | 70 | 93 |
| 2012 | 108 | 96 |
| 2013 | 120 | 90 |
| 2014 | 96 | 106 |
| 2015 | 125 | 118 |
| 2016 | 131 | 111 |
| 2017 | 113 | 104 |
| 2018 | 97 | 107 |
| 2019 | 105 | 70 |
| 2020 | 103 | 91 |
| 2021 | 97 | 83 |
| 2022 | 82 | 70 |
| 2023 | 59 | 64 |
| 2024 | 64 | 64 |
| 2025 | 55 | 52 |
| 2026 | 39 | 63 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- High-throughput algorithm for multiversion concurrency control with globally synchronized time6 Oct 2026US 12,756,756 B2Google Inc.
- Cross-platform mutual exclusion15 Sep 2026US 12,737,164 B2Microsoft Technology Licensing, LLC
- Handling execution of functions25 Aug 2026US 12,717,633 B2Telefonaktiebolaget LM Ericsson (publ)
- Conditional locking mechanism for concurrent resource access in a multi-threaded environment25 Aug 2026US 12,717,655 B2Microsoft Technology Licensing, LLC
- Enhancing performance in network-based systems25 Aug 2026US 12,719,748 B2Intel Corporation
- Method and System for Controlling an Interrupt Lock of a CPU of A Vehicle Control Unit in a User Mode1 Oct 2026US 2026/0300039 A1Bayerische Motoren Werke Aktiengesellschaft
- Tracking near-identical memory addresses and reducing memory access requests17 Sep 2026US 2026/0277852 A1Mobileye Vision Technologies Ltd.
- Runtime virtualization method and apparatus, and runtime virtual machine system20 Aug 2026US 2026/0244475 A1Jingdong Technology Information Technology Co., Ltd.
- Providing multi-request arbitration grant policies for time-sensitive arbitration decisions in processor-based devices20 Aug 2026US 2026/0244587 A1Microsoft Technology Licensing, LLC
- Memory management method for computing integrated circuit, apparatus and computing integrated circuit13 Aug 2026US 2026/0236179 A1Suzhou Metabrain Intelligent Technology Co., Ltd.
Most cited
By later US patents
- Man machine interface446US 4,570,217 A1986
- Locking technique for control and synchronization367US 6,973,549 B1Incipient, Inc. · 2005
- Enhancing performance in network-based systems351US 11,018,957 B1Granulate Cloud Solutions Ltd. · 2021
- Cooperative lock override procedure264US 6,757,769 B1EMC Corporation · 2004
- Queued locking of a shared resource using multimodal lock types248US 6,718,448 B1EMC Corporation · 2004