Patent holdings for IPC class H04L 12/42

Total number of patents in this class: 675

10-year publication summary

42
43
52
49
37
39
28
20
19
9
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Huawei Technologies Co., Ltd.
123867
44
Mitsubishi Electric Corporation
48146
37
ZTE Corporation
44230
25
Siemens AG
23996
18
Nippon Telegraph and Telephone Corporation
15934
17
Hewlett Packard Enterprise Development LP
11508
14
WAGO Verwaltungsgesellschaft mbH
586
14
Yazaki Corporation
7132
12
Ciena Corporation
2190
11
Cisco Technology, Inc.
22547
9
Omron Corporation
7380
9
Robert Bosch GmbH
44238
8
Ericsson
22839
7
Fujitsu Limited
16860
7
Futurewei Technologies, Inc.
3787
7
Qualcomm Incorporated
92725
6
NEC Corporation
37135
6
Panasonic Corporation
18896
6
Genesis Technical Systems Corp.
16
6
DeGirum Corporation
21
6
Other owners 406