Patent holdings for IPC class H04L 12/42

Total number of patents in this class: 688

10-year publication summary

42
43
52
49
37
39
28
20
19
7
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Huawei Technologies Co., Ltd.
120453
47
Mitsubishi Electric Corporation
47625
38
ZTE Corporation
43624
25
Siemens AG
24199
18
Nippon Telegraph and Telephone Corporation
15996
17
Hewlett Packard Enterprise Development LP
10897
14
WAGO Verwaltungsgesellschaft mbH
579
14
Yazaki Corporation
6972
12
Ciena Corporation
2152
11
Cisco Technology, Inc.
22300
10
Omron Corporation
7334
9
Robert Bosch GmbH
43631
8
Panasonic Corporation
19577
7
Ericsson
22306
7
Fujitsu Limited
17003
7
Futurewei Technologies, Inc.
3775
7
Qualcomm Incorporated
90374
6
NEC Corporation
36656
6
Genesis Technical Systems Corp.
16
6
Honda Motor Co., Ltd.
25873
5
Other owners 414