- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 12/00 - Data switching networks
Patent holdings for IPC class H04L 12/00
Total number of patents in this class: 1613
10-year publication summary
|
89
|
127
|
124
|
137
|
123
|
188
|
187
|
90
|
34
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 118879 |
149 |
| ZTE Corporation | 43451 |
48 |
| Qualcomm Incorporated | 89294 |
39 |
| Cisco Technology, Inc. | 22239 |
36 |
| International Business Machines Corporation | 62049 |
32 |
| Telefonaktiebolaget LM Ericsson (publ) | 28564 |
27 |
| Google LLC | 43553 |
25 |
| Samsung Electronics Co., Ltd. | 152304 |
21 |
| Amazon Technologies, Inc. | 27555 |
21 |
| Ericsson | 22203 |
20 |
| AT&T Intellectual Property I, L.P. | 9811 |
18 |
| Microsoft Technology Licensing, LLC | 54220 |
15 |
| Hewlett Packard Enterprise Development LP | 10814 |
14 |
| Intel Corporation | 46597 |
13 |
| Nokia Technologies Oy | 19888 |
12 |
| Siemens AG | 24329 |
11 |
| Juniper Networks, Inc. | 3783 |
11 |
| Level 3 Communications, LLC | 1272 |
11 |
| Tencent Technology (Shenzhen) Company Limited | 15577 |
11 |
| Bank of America Corporation | 8059 |
10 |
| Other owners | 1069 |