- 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: 1494
10-year publication summary
|
80
|
90
|
94
|
136
|
125
|
137
|
115
|
163
|
121
|
19
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 100781 |
153 |
| ZTE Corporation | 39218 |
44 |
| International Business Machines Corporation | 60644 |
35 |
| Cisco Technology, Inc. | 18858 |
33 |
| Qualcomm Incorporated | 76576 |
29 |
| Telefonaktiebolaget LM Ericsson (publ) | 26435 |
25 |
| Google LLC | 38759 |
20 |
| Amazon Technologies, Inc. | 24422 |
18 |
| Samsung Electronics Co., Ltd. | 131630 |
17 |
| AT&T Intellectual Property I, L.P. | 9886 |
15 |
| Ericsson | 20417 |
15 |
| Microsoft Technology Licensing, LLC | 51439 |
15 |
| Hewlett Packard Enterprise Development LP | 10702 |
14 |
| Siemens AG | 24990 |
11 |
| Tencent Technology (Shenzhen) Company Limited | 12951 |
11 |
| Intel Corporation | 45621 |
10 |
| Level 3 Communications, LLC | 1428 |
10 |
| Juniper Networks, Inc. | 3556 |
9 |
| Hewlett-Packard Development Company, L.P. | 28538 |
8 |
| salesforce.com, inc. | 5003 |
8 |
| Other owners | 994 |