- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 12/58 - Message switching systems
Patent holdings for IPC class H04L 12/58
Total number of patents in this class: 16813
10-year publication summary
|
3062
|
2948
|
2637
|
2155
|
1374
|
418
|
73
|
20
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Microsoft Technology Licensing, LLC | 54215 |
1122 |
| International Business Machines Corporation | 62182 |
800 |
| META Platforms, Inc. | 6913 |
766 |
| Tencent Technology (Shenzhen) Company Limited | 15627 |
754 |
| Google LLC | 43739 |
576 |
| Snap Inc. | 6564 |
363 |
| Samsung Electronics Co., Ltd. | 153573 |
345 |
| Huawei Technologies Co., Ltd. | 119891 |
320 |
| Apple Inc. | 58049 |
287 |
| salesforce.com, inc. | 5894 |
233 |
| Malikie Innovations Limited | 6679 |
219 |
| ZTE Corporation | 43576 |
190 |
| Amazon Technologies, Inc. | 27683 |
180 |
| Verizon Patent And Licensing Inc. | 7487 |
177 |
| Alibaba Group Holding Limited | 6910 |
172 |
| Dropbox, Inc. | 1608 |
150 |
| AT&T Intellectual Property I, L.P. | 9831 |
125 |
| Oracle International Corporation | 13430 |
115 |
| Cisco Technology, Inc. | 22256 |
110 |
| Yahoo Assets LLC | 1174 |
110 |
| Other owners | 9699 |