- 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: 1645
10-year publication summary
|
94
|
137
|
125
|
141
|
124
|
197
|
192
|
118
|
39
|
22
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 125590 |
147 |
| ZTE Corporation | 44368 |
48 |
| Qualcomm Incorporated | 93957 |
40 |
| Cisco Technology, Inc. | 22668 |
36 |
| International Business Machines Corporation | 62871 |
31 |
| Telefonaktiebolaget LM Ericsson (publ) | 29015 |
27 |
| Samsung Electronics Co., Ltd. | 159755 |
25 |
| Google LLC | 44941 |
25 |
| Ericsson | 23125 |
22 |
| Amazon Technologies, Inc. | 28358 |
21 |
| AT&T Intellectual Property I, L.P. | 10062 |
19 |
| Microsoft Technology Licensing, LLC | 54706 |
15 |
| Intel Corporation | 46342 |
14 |
| Hewlett Packard Enterprise Development LP | 12492 |
14 |
| Nokia Technologies Oy | 22034 |
13 |
| Apple Inc. | 59479 |
11 |
| Siemens AG | 23943 |
11 |
| Juniper Networks, Inc. | 2426 |
11 |
| Level 3 Communications, LLC | 1242 |
11 |
| Tencent Technology (Shenzhen) Company Limited | 16254 |
11 |
| Other owners | 1093 |