- 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: 639
10-year publication summary
|
4
|
8
|
13
|
14
|
14
|
37
|
84
|
182
|
213
|
64
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Microsoft Technology Licensing, LLC | 51439 |
50 |
| Snap Inc. | 4604 |
48 |
| salesforce.com, inc. | 5003 |
36 |
| META Platforms, Inc. | 7514 |
36 |
| Apple Inc. | 50209 |
26 |
| International Business Machines Corporation | 60644 |
18 |
| Google LLC | 38759 |
18 |
| BlackBerry Limited | 5958 |
14 |
| Dropbox, Inc. | 1374 |
11 |
| Liveperson, Inc. | 363 |
10 |
| FUJIFILM Business Innovation Corp. | 7395 |
10 |
| Beijing Zitiao Network Technology Co., Ltd. | 1927 |
9 |
| Samsung Electronics Co., Ltd. | 131630 |
7 |
| RingCentral, Inc. | 731 |
7 |
| LINE Plus Corporation | 208 |
7 |
| eBuddy Technologies B.V. | 25 |
7 |
| META Platforms Technologies, LLC | 4806 |
7 |
| Kakao Corp. | 364 |
6 |
| ly Corporation | 307 |
6 |
| Bank of America Corporation | 6495 |
5 |
| Other owners | 301 |