- All sections
- H - Electricity
- H04M - Telephonic communication
- H04M 3/34 - Testing for cross-talk
Patent holdings for IPC class H04M 3/34
Total number of patents in this class: 99
10-year publication summary
|
13
|
8
|
6
|
3
|
2
|
0
|
0
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Alcatel Lucent | 4326 |
10 |
| Huawei Technologies Co., Ltd. | 123543 |
9 |
| Futurewei Technologies, Inc. | 3784 |
9 |
| Adtran, Inc. | 404 |
9 |
| AT&T Intellectual Property I, L.P. | 10002 |
5 |
| Ericsson | 22785 |
5 |
| RPX Corporation | 1143 |
5 |
| MaxLinear Asia Singapore Private Limited | 107 |
4 |
| British Telecommunications Public Limited Company | 2602 |
3 |
| Alcatel Lucent SA | 1533 |
3 |
| Ikanos Communications, Inc. | 86 |
3 |
| MaxLinear, Inc. | 872 |
3 |
| Telefonaktiebolaget LM Ericsson (publ) | 28825 |
3 |
| Alcatel-Lucent USA Inc. | 525 |
2 |
| Dolby Laboratories Licensing Corporation | 4328 |
2 |
| Assia SPE LLC, c/o The Corporation Trust Company | 91 |
2 |
| Marvell Asia PTE, Ltd. | 6309 |
2 |
| Cavium International | 4656 |
2 |
| Intel Germany GmbH & Co. KG | 104 |
2 |
| Mimirip LLC | 1374 |
2 |
| Other owners | 14 |