• All sections
  • G - Physics
  • G06F - Electric digital data processing
  • G06F 21/53 - Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems during program execution, e.g. stack integrity, buffer overflow or preventing unwanted data erasure by executing in a restricted environment, e.g. sandbox or secure virtual machine

Patent holdings for IPC class G06F 21/53

Total number of patents in this class: 4611

10-year publication summary

349
393
442
505
452
429
414
416
394
260
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Microsoft Technology Licensing, LLC
53891
292
Intel Corporation
47143
275
International Business Machines Corporation
61433
154
Cisco Technology, Inc.
21991
118
Huawei Technologies Co., Ltd.
113689
106
VMware LLC
6935
85
Google LLC
42540
84
Citrix Systems, Inc.
3599
78
Samsung Electronics Co., Ltd.
147501
73
Amazon Technologies, Inc.
26891
73
Palo Alto Networks, Inc.
1279
71
Red Hat, Inc.
3909
62
Siemens AG
24409
54
Magenta Security Holdings LLC
449
50
Magenta Security Intermediate Holdings LLC
449
50
Apple Inc.
55387
46
Capital One Services, LLC.
9253
45
Reliaquest Holdings, LLC
158
43
JPMorgan Chase Bank, National Association
8570
42
NEC Corporation
35935
36
Other owners 2774