- All sections
- H - Electricity
- H04M - Telephonic communication
- H04M 1/24 - Arrangements for testing
Patent holdings for IPC class H04M 1/24
Total number of patents in this class: 750
10-year publication summary
|
74
|
72
|
56
|
43
|
44
|
28
|
28
|
32
|
27
|
3
|
| 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 |
27 |
| ecoATM, LLC | 129 |
26 |
| Ericsson | 20417 |
24 |
| Huawei Technologies Co., Ltd. | 100781 |
23 |
| British Telecommunications Public Limited Company | 2575 |
17 |
| Cisco Technology, Inc. | 18858 |
14 |
| Kyocera Corporation | 12735 |
11 |
| ZTE Corporation | 39218 |
11 |
| T-Mobile USA, Inc. | 3668 |
11 |
| Nippon Telegraph and Telephone Corporation | 14195 |
10 |
| Adtran, Inc. | 443 |
10 |
| CenturyLink Intellectual Property LLC | 1130 |
10 |
| Assia SPE LLC, c/o The Corporation Trust Company | 108 |
10 |
| Avago Technologies International Sales Pte. Limited | 9260 |
9 |
| RPX Corporation | 1571 |
8 |
| Apple Inc. | 50209 |
7 |
| Verizon Patent And Licensing Inc. | 6900 |
7 |
| MaxLinear, Inc. | 708 |
7 |
| Tollgrade Communications, Inc. (Pennsylvania) | 7 |
7 |
| Blancco Technology Group IP Oy | 77 |
7 |
| Other owners | 494 |