- 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: 16651
10-year publication summary
|
3062
|
2948
|
2636
|
2155
|
1373
|
416
|
70
|
22
|
2
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Microsoft Technology Licensing, LLC | 54510 |
1115 |
| International Business Machines Corporation | 62748 |
788 |
| META Platforms, Inc. | 6887 |
758 |
| Tencent Technology (Shenzhen) Company Limited | 16062 |
753 |
| Google LLC | 44614 |
571 |
| Snap Inc. | 6782 |
361 |
| Samsung Electronics Co., Ltd. | 158442 |
341 |
| Huawei Technologies Co., Ltd. | 124115 |
309 |
| Apple Inc. | 59027 |
286 |
| salesforce.com, inc. | 6011 |
239 |
| Malikie Innovations Limited | 6397 |
205 |
| ZTE Corporation | 44255 |
190 |
| Amazon Technologies, Inc. | 28193 |
179 |
| Verizon Patent And Licensing Inc. | 7668 |
176 |
| Alibaba Group Holding Limited | 6293 |
171 |
| Dropbox, Inc. | 1635 |
150 |
| AT&T Intellectual Property I, L.P. | 10002 |
125 |
| Oracle International Corporation | 13611 |
113 |
| Cisco Technology, Inc. | 22555 |
110 |
| Yahoo Assets LLC | 1162 |
108 |
| Other owners | 9603 |