- 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: 721
10-year publication summary
|
72
|
56
|
43
|
44
|
28
|
28
|
34
|
32
|
15
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ecoATM, LLC | 156 |
31 |
| AT&T Intellectual Property I, L.P. | 9508 |
23 |
| Ericsson | 21747 |
23 |
| Huawei Technologies Co., Ltd. | 112438 |
21 |
| British Telecommunications Public Limited Company | 2614 |
15 |
| Cisco Technology, Inc. | 19918 |
11 |
| Kyocera Corporation | 13799 |
11 |
| ZTE Corporation | 42423 |
11 |
| Nippon Telegraph and Telephone Corporation | 17341 |
11 |
| T-Mobile USA, Inc. | 4102 |
11 |
| Adtran, Inc. | 425 |
10 |
| CenturyLink Intellectual Property LLC | 1239 |
9 |
| Assia SPE LLC, c/o The Corporation Trust Company | 92 |
9 |
| Blancco Technology Group IP Oy | 83 |
9 |
| Avago Technologies International Sales Pte. Limited | 8767 |
9 |
| Level 3 Communications, LLC | 1262 |
8 |
| Samsung Electronics Co., Ltd. | 146092 |
7 |
| Apple Inc. | 54844 |
7 |
| Verizon Patent And Licensing Inc. | 7098 |
7 |
| MaxLinear, Inc. | 814 |
7 |
| Other owners | 471 |