- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 51/043 - Real-time or near real-time messaging, e.g. instant messaging [IM] using or handling presence information
Patent holdings for IPC class H04L 51/043
Total number of patents in this class: 224
10-year publication summary
|
3
|
3
|
0
|
4
|
10
|
16
|
37
|
58
|
57
|
25
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Snap Inc. | 4604 |
35 |
| Microsoft Technology Licensing, LLC | 51439 |
12 |
| salesforce.com, inc. | 5003 |
10 |
| Apple Inc. | 50209 |
9 |
| eBuddy Technologies B.V. | 25 |
8 |
| Rovi Guides, Inc. | 3236 |
7 |
| International Business Machines Corporation | 60644 |
6 |
| Citrix Systems, Inc. | 3905 |
6 |
| Sococo, Inc. | 88 |
6 |
| Beijing Zitiao Network Technology Co., Ltd. | 1927 |
6 |
| BlackBerry Limited | 5958 |
5 |
| Ericsson | 20417 |
4 |
| Verizon Patent And Licensing Inc. | 6900 |
4 |
| Tencent Technology (Shenzhen) Company Limited | 12951 |
4 |
| Twilio, Inc. | 456 |
4 |
| Research In Motion Limited | 2283 |
3 |
| Huawei Technologies Co., Ltd. | 100781 |
3 |
| Dropbox, Inc. | 1374 |
3 |
| RingCentral, Inc. | 731 |
3 |
| Global Tel*Link Corporation | 431 |
3 |
| Other owners | 83 |