- 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: 1633
10-year publication summary
|
94
|
137
|
125
|
141
|
124
|
197
|
191
|
108
|
35
|
17
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 122656 |
148 |
| ZTE Corporation | 44030 |
48 |
| Qualcomm Incorporated | 91706 |
39 |
| Cisco Technology, Inc. | 22479 |
37 |
| International Business Machines Corporation | 62596 |
32 |
| Telefonaktiebolaget LM Ericsson (publ) | 28726 |
27 |
| Google LLC | 44407 |
25 |
| Samsung Electronics Co., Ltd. | 157039 |
22 |
| Ericsson | 22552 |
22 |
| Amazon Technologies, Inc. | 28031 |
21 |
| AT&T Intellectual Property I, L.P. | 9977 |
18 |
| Microsoft Technology Licensing, LLC | 54410 |
15 |
| Hewlett Packard Enterprise Development LP | 11006 |
14 |
| Intel Corporation | 47048 |
13 |
| Nokia Technologies Oy | 20994 |
13 |
| Siemens AG | 24064 |
11 |
| Juniper Networks, Inc. | 3733 |
11 |
| Level 3 Communications, LLC | 1248 |
11 |
| Tencent Technology (Shenzhen) Company Limited | 15905 |
11 |
| Bank of America Corporation | 8365 |
10 |
| Other owners | 1085 |