- 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: 1006
10-year publication summary
|
2
|
10
|
11
|
13
|
36
|
95
|
196
|
222
|
229
|
178
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Snap Inc. | 6086 |
81 |
| Microsoft Technology Licensing, LLC | 54132 |
75 |
| salesforce.com, inc. | 5701 |
56 |
| META Platforms, Inc. | 7029 |
43 |
| Apple Inc. | 55916 |
35 |
| International Business Machines Corporation | 61651 |
25 |
| Google LLC | 42891 |
24 |
| Beijing Zitiao Network Technology Co., Ltd. | 4893 |
24 |
| Dropbox, Inc. | 1554 |
16 |
| LINE Plus Corporation | 246 |
16 |
| Samsung Electronics Co., Ltd. | 148584 |
14 |
| Liveperson, Inc. | 373 |
13 |
| FUJIFILM Business Innovation Corp. | 7731 |
13 |
| Zoom Video Communications, Inc. | 569 |
12 |
| Kakao Corp. | 481 |
11 |
| META Platforms Technologies, LLC | 5995 |
11 |
| Twilio, Inc. | 598 |
9 |
| BlackBerry Limited | 5337 |
8 |
| RingCentral, Inc. | 778 |
8 |
| Unanimous A.I., Inc. | 45 |
8 |
| Other owners | 504 |