- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 61/4552 - Lookup mechanisms between a plurality of directoriesSynchronisation of directories, e.g. metadirectories
Patent holdings for IPC class H04L 61/4552
Total number of patents in this class: 112
10-year publication summary
|
0
|
0
|
1
|
3
|
16
|
25
|
26
|
19
|
19
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Xmatrix LLC | 66 |
13 |
| Oracle International Corporation | 12905 |
7 |
| Earthsystems Technologies Operating LLC | 21 |
7 |
| Prodea Automation LLC | 14 |
5 |
| Level 3 Communications, LLC | 1251 |
4 |
| VMware LLC | 6906 |
4 |
| Huawei Technologies Co., Ltd. | 110803 |
3 |
| Verizon Patent And Licensing Inc. | 7062 |
3 |
| Comcast Cable Communications, LLC | 4604 |
3 |
| Pure Storage, Inc. | 2719 |
3 |
| Vercara, LLC | 48 |
3 |
| Samsung Electronics Co., Ltd. | 143812 |
2 |
| Apple Inc. | 54416 |
2 |
| AT&T Intellectual Property I, L.P. | 9459 |
2 |
| Amazon Technologies, Inc. | 26440 |
2 |
| Citrix Systems, Inc. | 3618 |
2 |
| 6Sense Insights, Inc. | 74 |
2 |
| ADE, Inc. | 554 |
2 |
| Aurea Software, Inc. | 57 |
2 |
| CallFire, Inc. | 46 |
2 |
| Other owners | 39 |