- 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: 18142
10-year publication summary
|
2684
|
3199
|
3064
|
2954
|
2642
|
2196
|
1488
|
522
|
102
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Microsoft Technology Licensing, LLC | 51439 |
1176 |
| International Business Machines Corporation | 60644 |
911 |
| META Platforms, Inc. | 7514 |
841 |
| Tencent Technology (Shenzhen) Company Limited | 12951 |
761 |
| Google LLC | 38759 |
628 |
| Snap Inc. | 4604 |
391 |
| Huawei Technologies Co., Ltd. | 100781 |
368 |
| Samsung Electronics Co., Ltd. | 131630 |
364 |
| Apple Inc. | 50209 |
303 |
| Malikie Innovations Limited | 7703 |
257 |
| salesforce.com, inc. | 5003 |
232 |
| ZTE Corporation | 39218 |
193 |
| Verizon Patent And Licensing Inc. | 6900 |
192 |
| Amazon Technologies, Inc. | 24422 |
184 |
| Alibaba Group Holding Limited | 7149 |
175 |
| Dropbox, Inc. | 1374 |
151 |
| AT&T Intellectual Property I, L.P. | 9886 |
138 |
| Oracle International Corporation | 12313 |
123 |
| Cisco Technology, Inc. | 18858 |
115 |
| Yahoo Assets LLC | 1127 |
114 |
| Other owners | 10525 |