Patent holdings for IPC class H04B 10/2581

Total number of patents in this class: 554

10-year publication summary

51
61
67
58
50
44
40
41
22
27
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Nippon Telegraph and Telephone Corporation
16683
48
Corning Incorporated
10382
31
NEC Corporation
36267
26
AT&T Intellectual Property I, L.P.
9657
20
Institut Mines-telecom
272
19
Cisco Technology, Inc.
22105
17
Nxgen Partners IP, LLC
137
16
Huawei Technologies Co., Ltd.
115366
15
Panduit Corp.
1017
10
Alcatel Lucent
4484
10
Sumitomo Electric Industries, Ltd.
15732
8
CommScope Technologies LLC
3263
7
Draka Comteq, B.V.
250
7
Hewlett Packard Enterprise Development LP
10767
6
Cailabs
52
6
Subcom, LLC
151
6
Alcatel Lucent SA
1568
5
Ciena Corporation
2058
5
Xieon Networks S.a.r.l.
163
5
Sony Group Corporation
14474
5
Other owners 282