- 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: 1642
10-year publication summary
|
94
|
137
|
125
|
141
|
124
|
197
|
191
|
113
|
38
|
21
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 124630 |
148 |
| ZTE Corporation | 44326 |
48 |
| Qualcomm Incorporated | 93172 |
40 |
| Cisco Technology, Inc. | 22596 |
37 |
| International Business Machines Corporation | 62769 |
32 |
| Telefonaktiebolaget LM Ericsson (publ) | 28880 |
27 |
| Google LLC | 44743 |
25 |
| Samsung Electronics Co., Ltd. | 158842 |
24 |
| Ericsson | 22995 |
22 |
| Amazon Technologies, Inc. | 28236 |
21 |
| AT&T Intellectual Property I, L.P. | 10025 |
19 |
| Microsoft Technology Licensing, LLC | 54554 |
15 |
| Intel Corporation | 46449 |
14 |
| Hewlett Packard Enterprise Development LP | 11529 |
14 |
| Nokia Technologies Oy | 21624 |
13 |
| Siemens AG | 23972 |
11 |
| Juniper Networks, Inc. | 3360 |
11 |
| Level 3 Communications, LLC | 1244 |
11 |
| Tencent Technology (Shenzhen) Company Limited | 16164 |
11 |
| Apple Inc. | 59177 |
10 |
| Other owners | 1089 |