- 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: 2311
10-year publication summary
209
|
182
|
166
|
132
|
127
|
76
|
56
|
54
|
28
|
21
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Qualcomm Incorporated | 84847 |
66 |
AT&T Intellectual Property I, L.P. | 9494 |
64 |
Motorola Solutions, Inc. | 4404 |
61 |
NEC Corporation | 35509 |
54 |
CenturyLink Intellectual Property LLC | 1234 |
43 |
Alarm.com Incorporated | 972 |
42 |
AT&T Mobility II LLC | 1855 |
41 |
Samsung Electronics Co., Ltd. | 145025 |
37 |
Malikie Innovations Limited | 7168 |
37 |
TeleCommunication Systems, Inc. | 246 |
36 |
Verizon Patent And Licensing Inc. | 7075 |
34 |
Apple Inc. | 54610 |
33 |
NTT DoCoMo, Inc. | 12856 |
32 |
Huawei Technologies Co., Ltd. | 111764 |
31 |
T-Mobile USA, Inc. | 4066 |
31 |
T-Mobile Innovations LLC | 3624 |
28 |
Ericsson | 21674 |
27 |
ZTE Corporation | 42146 |
24 |
LG Electronics Inc. | 72737 |
21 |
Intrado Life & Safety, Inc. | 154 |
20 |
Other owners | 1549 |