- 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: 3019
10-year publication summary
|
288
|
272
|
298
|
294
|
299
|
293
|
243
|
220
|
162
|
111
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| International Business Machines Corporation | 61537 |
265 |
| Microsoft Technology Licensing, LLC | 53968 |
183 |
| Intel Corporation | 47221 |
152 |
| Oracle International Corporation | 13025 |
140 |
| NVIDIA Corporation | 7413 |
98 |
| Advanced Micro Devices, Inc. | 5772 |
88 |
| ARM Limited | 4720 |
80 |
| Huawei Technologies Co., Ltd. | 114071 |
78 |
| EMC IP Holding Company LLC | 10783 |
64 |
| Graphcore Limited | 273 |
61 |
| Fujitsu Limited | 18087 |
58 |
| Qualcomm Incorporated | 86648 |
55 |
| Apple Inc. | 55491 |
53 |
| NEC Corporation | 36108 |
45 |
| SAP SE | 10016 |
41 |
| VMware LLC | 6828 |
41 |
| Samsung Electronics Co., Ltd. | 147787 |
37 |
| Red Hat, Inc. | 3931 |
36 |
| Amazon Technologies, Inc. | 27003 |
30 |
| Imagination Technologies Limited | 1676 |
30 |
| Other owners | 1384 |