- 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: 694
10-year publication summary
|
56
|
43
|
44
|
28
|
28
|
36
|
32
|
15
|
9
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ecoATM, LLC | 175 |
36 |
| Ericsson | 22660 |
23 |
| AT&T Intellectual Property I, L.P. | 9993 |
22 |
| Huawei Technologies Co., Ltd. | 123282 |
21 |
| British Telecommunications Public Limited Company | 2600 |
15 |
| Kyocera Corporation | 14335 |
11 |
| ZTE Corporation | 44159 |
11 |
| Nippon Telegraph and Telephone Corporation | 15922 |
11 |
| T-Mobile USA, Inc. | 4491 |
11 |
| Cisco Technology, Inc. | 22491 |
10 |
| Adtran, Inc. | 405 |
10 |
| CenturyLink Intellectual Property LLC | 1275 |
9 |
| Assia SPE LLC, c/o The Corporation Trust Company | 91 |
9 |
| Blancco Technology Group IP Oy | 87 |
9 |
| Avago Technologies International Sales Pte. Limited | 8564 |
8 |
| Samsung Electronics Co., Ltd. | 157557 |
7 |
| Apple Inc. | 58705 |
7 |
| Verizon Patent And Licensing Inc. | 7555 |
7 |
| Honor Device Co., Ltd. | 6817 |
7 |
| Advantest America, Inc | 20 |
6 |
| Other owners | 444 |