- All sections
- H - Electricity
- H04M - Telephonic communication
- H04M 11/04 - Telephonic communication systems specially adapted for combination with other electrical systems with alarm systems, e.g. fire, police or burglar alarm systems
Patent holdings for IPC class H04M 11/04
Total number of patents in this class: 2469
10-year publication summary
246
|
209
|
182
|
166
|
132
|
127
|
76
|
54
|
47
|
9
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
AT&T Intellectual Property I, L.P. | 9886 |
76 |
Qualcomm Incorporated | 76576 |
64 |
Motorola Solutions, Inc. | 4355 |
55 |
NEC Corporation | 32703 |
52 |
AT&T Mobility II LLC | 1982 |
45 |
CenturyLink Intellectual Property LLC | 1130 |
43 |
Alarm.com Incorporated | 931 |
41 |
Malikie Innovations Limited | 7703 |
41 |
Samsung Electronics Co., Ltd. | 131630 |
39 |
Verizon Patent And Licensing Inc. | 6900 |
37 |
TeleCommunication Systems, Inc. | 268 |
37 |
Apple Inc. | 50209 |
34 |
NTT DoCoMo, Inc. | 11501 |
32 |
Huawei Technologies Co., Ltd. | 100781 |
31 |
T-Mobile USA, Inc. | 3668 |
30 |
Ericsson | 20417 |
28 |
T-Mobile Innovations LLC | 3213 |
28 |
ZTE Corporation | 39218 |
24 |
Intrado Life & Safety, Inc. | 150 |
24 |
LG Electronics Inc. | 69257 |
21 |
Other owners | 1687 |