- 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: 1012
10-year publication summary
|
2
|
10
|
11
|
13
|
36
|
95
|
196
|
222
|
229
|
187
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Snap Inc. | 6148 |
81 |
| Microsoft Technology Licensing, LLC | 54267 |
75 |
| salesforce.com, inc. | 5726 |
56 |
| META Platforms, Inc. | 7005 |
43 |
| Apple Inc. | 56211 |
36 |
| International Business Machines Corporation | 61734 |
25 |
| Google LLC | 43044 |
25 |
| Beijing Zitiao Network Technology Co., Ltd. | 4979 |
24 |
| LINE Plus Corporation | 250 |
17 |
| Dropbox, Inc. | 1554 |
16 |
| Samsung Electronics Co., Ltd. | 148924 |
14 |
| Liveperson, Inc. | 372 |
13 |
| FUJIFILM Business Innovation Corp. | 7735 |
13 |
| Kakao Corp. | 482 |
11 |
| META Platforms Technologies, LLC | 6032 |
11 |
| Zoom Video Communications, Inc. | 563 |
10 |
| Twilio, Inc. | 605 |
9 |
| Zoom Communications, Inc. | 865 |
9 |
| BlackBerry Limited | 5267 |
8 |
| RingCentral, Inc. | 778 |
8 |
| Other owners | 508 |