Patent holdings for IPC class H04M 1/64

Total number of patents in this class: 1701

10-year publication summary

159
120
112
85
47
37
31
16
14
5
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Microsoft Technology Licensing, LLC
51439
144
Cisco Technology, Inc.
18858
53
AT&T Intellectual Property I, L.P.
9886
46
Arlington Technologies, LLC
642
39
Genesys Telecommunications Laboratories, Inc.
749
36
Verizon Patent And Licensing Inc.
6900
34
International Business Machines Corporation
60644
32
Samsung Electronics Co., Ltd.
131630
31
Alvaria Cayman (cx)
322
29
West Technology Group, LLC
414
27
Avaya Inc.
1529
24
Securus Technologies, LLC
292
23
Malikie Innovations Limited
7703
23
CenturyLink Intellectual Property LLC
1130
22
Verint Americas Inc.
540
21
Huawei Technologies Co., Ltd.
100781
19
Voxer IP LLC
75
18
RingCentral, Inc.
731
17
Apple Inc.
50209
16
Google LLC
38759
16
Other owners 1031