- All sections
- G - Physics
- G06F - Electric digital data processing
- G06F 9/52 - Program synchronisationMutual exclusion, e.g. by means of semaphores
Patent holdings for IPC class G06F 9/52
Total number of patents in this class: 3088
10-year publication summary
|
272
|
298
|
295
|
299
|
293
|
243
|
219
|
168
|
147
|
40
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| International Business Machines Corporation | 62123 |
270 |
| Microsoft Technology Licensing, LLC | 54182 |
185 |
| Intel Corporation | 46665 |
151 |
| Oracle International Corporation | 13406 |
143 |
| NVIDIA Corporation | 7949 |
104 |
| Advanced Micro Devices, Inc. | 5961 |
90 |
| ARM Limited | 4915 |
81 |
| Huawei Technologies Co., Ltd. | 119623 |
79 |
| EMC IP Holding Company LLC | 10732 |
64 |
| Graphcore Limited | 273 |
61 |
| Fujitsu Limited | 17131 |
58 |
| Qualcomm Incorporated | 89782 |
56 |
| Apple Inc. | 57924 |
53 |
| NEC Corporation | 36545 |
45 |
| SAP SE | 10041 |
44 |
| Samsung Electronics Co., Ltd. | 152914 |
41 |
| VMware LLC | 6824 |
41 |
| Red Hat, Inc. | 3979 |
36 |
| Amazon Technologies, Inc. | 27637 |
33 |
| Imagination Technologies Limited | 1773 |
32 |
| Other owners | 1421 |