- 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: 3896
10-year publication summary
|
249
|
300
|
354
|
396
|
446
|
516
|
453
|
431
|
409
|
340
|
| 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Intel Corporation | 45765 |
267 |
| Microsoft Technology Licensing, LLC | 50650 |
266 |
| International Business Machines Corporation | 61980 |
146 |
| Cisco Technology, Inc. | 18742 |
95 |
| Huawei Technologies Co., Ltd. | 96730 |
88 |
| Citrix Systems, Inc. | 3955 |
80 |
| VMware, Inc. | 6314 |
76 |
| Google LLC | 37672 |
64 |
| Amazon Technologies, Inc. | 23738 |
63 |
| Red Hat, Inc. | 3644 |
56 |
| Samsung Electronics Co., Ltd. | 127295 |
55 |
| FireEye Security Holdings US LLC | 303 |
43 |
| JPMorgan Chase Bank, National Association | 10931 |
42 |
| Reliaquest Holdings, LLC | 119 |
40 |
| Apple Inc. | 47799 |
38 |
| Hewlett-Packard Development Company, L.P. | 29428 |
38 |
| Siemens AG | 25412 |
36 |
| British Telecommunications Public Limited Company | 2590 |
36 |
| NEC Corporation | 31901 |
35 |
| Palo Alto Networks, Inc. | 856 |
34 |
| Other owners | 2298 |