- 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: 1225
10-year publication summary
199
|
192
|
130
|
125
|
127
|
103
|
82
|
47
|
21
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
NEC Corporation | 32703 |
257 |
Huawei Technologies Co., Ltd. | 100781 |
97 |
Cisco Technology, Inc. | 18858 |
68 |
Nicira, Inc. | 1192 |
63 |
Nippon Telegraph and Telephone Corporation | 14195 |
57 |
Futurewei Technologies, Inc. | 3708 |
47 |
Telefonaktiebolaget LM Ericsson (publ) | 26435 |
47 |
Ericsson | 20417 |
39 |
Juniper Networks, Inc. | 3556 |
25 |
International Business Machines Corporation | 60644 |
23 |
AT&T Intellectual Property I, L.P. | 9886 |
22 |
Microsoft Technology Licensing, LLC | 51439 |
22 |
VMware LLC | 6078 |
18 |
Hewlett Packard Enterprise Development LP | 10702 |
17 |
Level 3 Communications, LLC | 1428 |
17 |
Amazon Technologies, Inc. | 24422 |
14 |
ZTE Corporation | 39218 |
12 |
Google LLC | 38759 |
11 |
Oracle International Corporation | 12313 |
10 |
NTT DoCoMo, Inc. | 11501 |
9 |
Other owners | 350 |