- 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: 3058
10-year publication summary
|
272
|
298
|
295
|
299
|
293
|
241
|
220
|
163
|
147
|
14
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| International Business Machines Corporation | 61850 |
268 |
| Microsoft Technology Licensing, LLC | 54343 |
185 |
| Intel Corporation | 46546 |
149 |
| Oracle International Corporation | 13147 |
141 |
| NVIDIA Corporation | 7647 |
99 |
| Advanced Micro Devices, Inc. | 5887 |
89 |
| ARM Limited | 4826 |
80 |
| Huawei Technologies Co., Ltd. | 117179 |
79 |
| EMC IP Holding Company LLC | 10782 |
64 |
| Graphcore Limited | 273 |
61 |
| Fujitsu Limited | 17385 |
58 |
| Qualcomm Incorporated | 88287 |
55 |
| Apple Inc. | 56767 |
53 |
| NEC Corporation | 36403 |
45 |
| SAP SE | 10013 |
42 |
| VMware LLC | 6826 |
41 |
| Samsung Electronics Co., Ltd. | 150501 |
39 |
| Red Hat, Inc. | 3965 |
36 |
| Amazon Technologies, Inc. | 27419 |
32 |
| Imagination Technologies Limited | 1749 |
31 |
| Other owners | 1411 |