- 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: 974
10-year publication summary
|
2
|
10
|
11
|
13
|
36
|
95
|
196
|
220
|
229
|
150
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Snap Inc. | 5954 |
78 |
| Microsoft Technology Licensing, LLC | 53891 |
73 |
| salesforce.com, inc. | 5649 |
55 |
| META Platforms, Inc. | 7086 |
43 |
| Apple Inc. | 55387 |
33 |
| International Business Machines Corporation | 61433 |
25 |
| Google LLC | 42540 |
24 |
| Beijing Zitiao Network Technology Co., Ltd. | 4546 |
24 |
| Dropbox, Inc. | 1531 |
16 |
| LINE Plus Corporation | 244 |
16 |
| Samsung Electronics Co., Ltd. | 147501 |
14 |
| FUJIFILM Business Innovation Corp. | 7637 |
13 |
| Liveperson, Inc. | 375 |
12 |
| Zoom Video Communications, Inc. | 565 |
12 |
| Kakao Corp. | 477 |
11 |
| META Platforms Technologies, LLC | 5894 |
10 |
| BlackBerry Limited | 5352 |
8 |
| RingCentral, Inc. | 769 |
8 |
| Twilio, Inc. | 594 |
8 |
| Unanimous A.I., Inc. | 44 |
8 |
| Other owners | 483 |