Patent holdings for IPC class H04L 51/58

Total number of patents in this class: 399

10-year publication summary

12
4
3
13
31
57
64
70
31
29
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Research In Motion Limited
1969
44
BlackBerry Limited
5148
31
Research in Motion Limited
52
14
Snap Inc.
5819
13
Aura Home, Inc.
89
11
Samsung Electronics Co., Ltd.
145630
10
Seven Networks, LLC
134
10
Apple Inc.
54714
9
Rembrandt Messaging Technologies, LP
18
8
Jio Platforms Limited
1359
8
Microsoft Technology Licensing, LLC
53667
7
BlackBerry Limited
250
6
Snowflake Inc.
1456
6
Nokia Technologies Oy
17746
5
Google LLC
42096
5
International Business Machines Corporation
61198
4
Ericsson
21724
4
Huawei Technologies Co., Ltd.
112134
4
Proofpoint, Inc.
393
4
The Toronto-Dominion Bank
2714
4
Other owners 192