- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 12/717 - Centralised routing
Patent holdings for IPC class H04L 12/717
Total number of patents in this class: 1177
10-year publication summary
|
192
|
130
|
125
|
126
|
102
|
78
|
39
|
11
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NEC Corporation | 35652 |
257 |
| Huawei Technologies Co., Ltd. | 112438 |
93 |
| VMware LLC | 6936 |
75 |
| Cisco Technology, Inc. | 19918 |
65 |
| Nippon Telegraph and Telephone Corporation | 17341 |
57 |
| Telefonaktiebolaget LM Ericsson (publ) | 27928 |
47 |
| Futurewei Technologies, Inc. | 3754 |
43 |
| Ericsson | 21747 |
35 |
| International Business Machines Corporation | 61228 |
22 |
| Juniper Networks, Inc. | 3734 |
22 |
| Microsoft Technology Licensing, LLC | 53720 |
20 |
| AT&T Intellectual Property I, L.P. | 9508 |
19 |
| Level 3 Communications, LLC | 1262 |
17 |
| Amazon Technologies, Inc. | 26677 |
14 |
| Hewlett Packard Enterprise Development LP | 10727 |
14 |
| ZTE Corporation | 42423 |
12 |
| Google LLC | 42196 |
11 |
| Oracle International Corporation | 12943 |
10 |
| NTT DoCoMo, Inc. | 12952 |
9 |
| Ciena Corporation | 2030 |
9 |
| Other owners | 326 |