- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 51/42 - Mailbox-related aspects, e.g. synchronisation of mailboxes
Patent holdings for IPC class H04L 51/42
Total number of patents in this class: 709
10-year publication summary
|
8
|
10
|
11
|
14
|
40
|
54
|
148
|
194
|
177
|
58
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| People.ai, Inc. | 125 |
43 |
| Microsoft Technology Licensing, LLC | 51439 |
42 |
| Snap Inc. | 4604 |
36 |
| salesforce.com, inc. | 5003 |
28 |
| Apple Inc. | 50209 |
24 |
| Capital One Services, LLC. | 7551 |
22 |
| Darktrace Holdings Limited | 100 |
22 |
| Yahoo Assets LLC | 1127 |
21 |
| META Platforms, Inc. | 7514 |
13 |
| Beijing Bytedance Network Technology Co., Ltd. | 3621 |
12 |
| Proofpoint, Inc. | 318 |
11 |
| VMware LLC | 6078 |
11 |
| Citrix Systems, Inc. | 3905 |
10 |
| Google LLC | 38759 |
10 |
| BlackBerry Limited | 5958 |
9 |
| Research In Motion Limited | 2283 |
9 |
| International Business Machines Corporation | 60644 |
9 |
| KnowBe4, Inc. | 226 |
8 |
| Huawei Technologies Co., Ltd. | 100781 |
7 |
| Dropbox, Inc. | 1374 |
7 |
| Other owners | 355 |