- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 61/4511 - Network directoriesName-to-address mapping using standardised directoriesNetwork directoriesName-to-address mapping using standardised directory access protocols using domain name system [DNS]
Patent holdings for IPC class H04L 61/4511
Total number of patents in this class: 1938
10-year publication summary
|
13
|
26
|
37
|
40
|
163
|
286
|
374
|
395
|
410
|
203
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cisco Technology, Inc. | 19929 |
104 |
| VeriSign, Inc. | 536 |
77 |
| Amazon Technologies, Inc. | 26716 |
57 |
| Huawei Technologies Co., Ltd. | 112690 |
49 |
| Microsoft Technology Licensing, LLC | 53729 |
46 |
| Bright Data Ltd. | 301 |
46 |
| Ericsson | 21759 |
44 |
| VMware LLC | 6939 |
40 |
| Level 3 Communications, LLC | 1263 |
38 |
| Samsung Electronics Co., Ltd. | 146346 |
36 |
| Palo Alto Networks, Inc. | 1251 |
34 |
| Comcast Cable Communications, LLC | 4718 |
31 |
| UAB 360 IT | 421 |
31 |
| Sandpiper Cdn, LLC | 270 |
31 |
| Sonatus, Inc. | 82 |
30 |
| Oracle International Corporation | 12946 |
25 |
| Zscaler, Inc. | 463 |
25 |
| Centripetal Networks, LLC | 159 |
23 |
| Infoblox Inc. | 134 |
21 |
| T-Mobile USA, Inc. | 4106 |
21 |
| Other owners | 1129 |