- 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: 868
10-year publication summary
|
10
|
12
|
14
|
40
|
61
|
169
|
202
|
181
|
147
|
50
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| People.ai, Inc. | 140 |
52 |
| Microsoft Technology Licensing, LLC | 53545 |
48 |
| Snap Inc. | 5738 |
45 |
| Apple Inc. | 54527 |
34 |
| salesforce.com, inc. | 5514 |
32 |
| Yahoo Assets LLC | 1186 |
32 |
| Darktrace Holdings Limited | 151 |
24 |
| Capital One Services, LLC. | 9047 |
23 |
| Proofpoint, Inc. | 366 |
19 |
| Google LLC | 41903 |
15 |
| Beijing Bytedance Network Technology Co., Ltd. | 4070 |
13 |
| Omnissa, LLC | 1616 |
13 |
| International Business Machines Corporation | 61123 |
12 |
| META Platforms, Inc. | 7160 |
11 |
| Huawei Technologies Co., Ltd. | 111237 |
9 |
| Citrix Systems, Inc. | 3618 |
9 |
| Dropbox, Inc. | 1508 |
9 |
| KnowBe4, Inc. | 236 |
9 |
| Whitehead Investments, LLC | 11 |
9 |
| Atlassian Pty Ltd | 653 |
8 |
| Other owners | 442 |