- All sections
- G - Physics
- G06F - Electric digital data processing
- G06F 9/52 - Program synchronisation; Mutual exclusion, e.g. by means of semaphores
Patent holdings for IPC class G06F 9/52
Total number of patents in this class: 2816
10-year publication summary
|
270
|
290
|
274
|
299
|
297
|
302
|
295
|
238
|
206
|
47
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| International Business Machines Corporation | 60644 |
272 |
| Microsoft Technology Licensing, LLC | 51439 |
172 |
| Intel Corporation | 45621 |
151 |
| Oracle International Corporation | 12313 |
130 |
| NVIDIA Corporation | 6381 |
82 |
| Advanced Micro Devices, Inc. | 5326 |
81 |
| ARM Limited | 4353 |
77 |
| Huawei Technologies Co., Ltd. | 100781 |
67 |
| EMC IP Holding Company LLC | 11079 |
63 |
| Graphcore Limited | 260 |
61 |
| Fujitsu Limited | 19265 |
60 |
| Qualcomm Incorporated | 76576 |
52 |
| NEC Corporation | 32703 |
47 |
| Apple Inc. | 50209 |
46 |
| VMware LLC | 6078 |
40 |
| SAP SE | 9657 |
36 |
| Samsung Electronics Co., Ltd. | 131630 |
33 |
| Hitachi, Ltd. | 16452 |
32 |
| Red Hat, Inc. | 3719 |
32 |
| Amazon Technologies, Inc. | 24422 |
30 |
| Other owners | 1252 |