- 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: 16639
10-year publication summary
|
3062
|
2948
|
2636
|
2155
|
1373
|
416
|
70
|
24
|
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 | 54586 |
1113 |
| International Business Machines Corporation | 62805 |
788 |
| META Platforms, Inc. | 6916 |
754 |
| Tencent Technology (Shenzhen) Company Limited | 16195 |
752 |
| Google LLC | 44796 |
570 |
| Snap Inc. | 6857 |
361 |
| Samsung Electronics Co., Ltd. | 159029 |
341 |
| Huawei Technologies Co., Ltd. | 124837 |
307 |
| Apple Inc. | 59241 |
286 |
| salesforce.com, inc. | 6021 |
239 |
| Malikie Innovations Limited | 6363 |
204 |
| ZTE Corporation | 44374 |
190 |
| Amazon Technologies, Inc. | 28264 |
179 |
| Verizon Patent And Licensing Inc. | 7677 |
176 |
| Alibaba Group Holding Limited | 6270 |
171 |
| Dropbox, Inc. | 1641 |
150 |
| AT&T Intellectual Property I, L.P. | 10038 |
125 |
| Oracle International Corporation | 13683 |
113 |
| Cisco Technology, Inc. | 22612 |
110 |
| Yahoo Assets LLC | 1165 |
108 |
| Other owners | 9602 |