- 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: 1623
10-year publication summary
|
89
|
127
|
124
|
138
|
123
|
189
|
190
|
96
|
34
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 120098 |
148 |
| ZTE Corporation | 43598 |
48 |
| Qualcomm Incorporated | 90221 |
39 |
| Cisco Technology, Inc. | 22278 |
35 |
| International Business Machines Corporation | 62220 |
32 |
| Telefonaktiebolaget LM Ericsson (publ) | 28616 |
27 |
| Google LLC | 43789 |
25 |
| Samsung Electronics Co., Ltd. | 153845 |
22 |
| Amazon Technologies, Inc. | 27705 |
21 |
| Ericsson | 22292 |
20 |
| AT&T Intellectual Property I, L.P. | 9836 |
18 |
| Microsoft Technology Licensing, LLC | 54242 |
15 |
| Hewlett Packard Enterprise Development LP | 10885 |
14 |
| Intel Corporation | 46680 |
13 |
| Nokia Technologies Oy | 20297 |
12 |
| Siemens AG | 24200 |
11 |
| Juniper Networks, Inc. | 3782 |
11 |
| Level 3 Communications, LLC | 1246 |
11 |
| Tencent Technology (Shenzhen) Company Limited | 15643 |
11 |
| Bank of America Corporation | 8185 |
10 |
| Other owners | 1080 |