- 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: 17135
10-year publication summary
3196
|
3062
|
2948
|
2637
|
2160
|
1385
|
427
|
76
|
16
|
0
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Microsoft Technology Licensing, LLC | 53786 |
1129 |
International Business Machines Corporation | 61305 |
807 |
META Platforms, Inc. | 7097 |
786 |
Tencent Technology (Shenzhen) Company Limited | 14810 |
757 |
Google LLC | 42333 |
588 |
Snap Inc. | 5906 |
364 |
Samsung Electronics Co., Ltd. | 146811 |
350 |
Huawei Technologies Co., Ltd. | 113064 |
348 |
Apple Inc. | 55174 |
289 |
Malikie Innovations Limited | 7119 |
239 |
salesforce.com, inc. | 5624 |
234 |
ZTE Corporation | 42569 |
191 |
Amazon Technologies, Inc. | 26762 |
184 |
Verizon Patent And Licensing Inc. | 7114 |
178 |
Alibaba Group Holding Limited | 6903 |
173 |
Dropbox, Inc. | 1527 |
151 |
AT&T Intellectual Property I, L.P. | 9533 |
127 |
Oracle International Corporation | 12947 |
116 |
Yahoo Assets LLC | 1194 |
110 |
Cisco Technology, Inc. | 19961 |
107 |
Other owners | 9907 |