- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 51/56 - Unified messaging, e.g. interactions between e-mail, instant messaging or converged IP messaging [CPM]
Patent holdings for IPC class H04L 51/56
Total number of patents in this class: 472
10-year publication summary
|
6
|
9
|
14
|
32
|
57
|
95
|
113
|
81
|
61
|
35
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| salesforce.com, inc. | 6110 |
33 |
| Microsoft Technology Licensing, LLC | 54693 |
19 |
| Twilio, Inc. | 668 |
17 |
| Apple Inc. | 59414 |
14 |
| Unanimous A.I., Inc. | 54 |
14 |
| Google LLC | 44900 |
12 |
| Snap Inc. | 6880 |
11 |
| 8x8, Inc. | 468 |
10 |
| Tigerconnect, Inc. | 53 |
9 |
| Rembrandt Messaging Technologies, LP | 18 |
8 |
| Goldman Sachs Bank USA, AS Collateral Agent | 194 |
8 |
| International Business Machines Corporation | 62864 |
7 |
| Wrinkl, Inc. | 17 |
7 |
| Dropbox, Inc. | 1647 |
6 |
| Disintermediation Services, Inc. | 11 |
6 |
| Entefy Inc. | 74 |
6 |
| Community.com, Inc. | 21 |
6 |
| Zoom Communications, Inc. | 1313 |
6 |
| Samsung Electronics Co., Ltd. | 159473 |
5 |
| Verizon Patent And Licensing Inc. | 7693 |
5 |
| Other owners | 263 |