Patent holdings for IPC class H04L 12/923

Total number of patents in this class: 281

10-year publication summary

31
33
42
37
32
9
4
2
0
0
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Microsoft Technology Licensing, LLC
54463
28
International Business Machines Corporation
62671
18
Cisco Technology, Inc.
22503
14
NEC Corporation
37005
12
Ericsson
22785
12
AT&T Intellectual Property I, L.P.
10002
8
Huawei Technologies Co., Ltd.
123543
8
Amazon Technologies, Inc.
28118
8
EMC IP Holding Company LLC
10630
7
Google LLC
44540
7
Nippon Telegraph and Telephone Corporation
15923
6
Samsung Electronics Co., Ltd.
157946
5
CenturyLink Intellectual Property LLC
1277
5
Intel Corporation
47122
4
Hewlett Packard Enterprise Development LP
11501
4
Telefonaktiebolaget LM Ericsson (publ)
28825
4
Interdigital Patent Holdings, Inc.
7013
3
Alcatel Lucent SA
1533
3
Verizon Patent And Licensing Inc.
7565
3
ZTE Corporation
44199
3
Other owners 119