- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 51/216 - Handling conversation history, e.g. grouping of messages in sessions or threads
Patent holdings for IPC class H04L 51/216
Total number of patents in this class: 1095
10-year publication summary
|
13
|
15
|
16
|
39
|
98
|
199
|
227
|
233
|
201
|
72
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Snap Inc. | 6657 |
87 |
| Microsoft Technology Licensing, LLC | 54289 |
77 |
| salesforce.com, inc. | 5917 |
59 |
| Apple Inc. | 58268 |
40 |
| META Platforms, Inc. | 6869 |
39 |
| Beijing Zitiao Network Technology Co., Ltd. | 6166 |
27 |
| Google LLC | 44062 |
26 |
| International Business Machines Corporation | 62325 |
25 |
| Dropbox, Inc. | 1620 |
17 |
| LINE Plus Corporation | 260 |
17 |
| Samsung Electronics Co., Ltd. | 155224 |
16 |
| Kakao Corp. | 485 |
16 |
| META Platforms Technologies, LLC | 6363 |
14 |
| Liveperson, Inc. | 358 |
13 |
| FUJIFILM Business Innovation Corp. | 7853 |
13 |
| Unanimous A.I., Inc. | 51 |
12 |
| Zoom Communications, Inc. | 1152 |
12 |
| Twilio, Inc. | 643 |
10 |
| RingCentral, Inc. | 790 |
9 |
| Zoom Video Communications, Inc. | 530 |
9 |
| Other owners | 557 |