- 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 | 4448 |
10 |
| Huawei Technologies Co., Ltd. | 117179 |
9 |
| Futurewei Technologies, Inc. | 3766 |
9 |
| Adtran, Inc. | 417 |
9 |
| AT&T Intellectual Property I, L.P. | 9728 |
5 |
| Ericsson | 22076 |
5 |
| RPX Corporation | 1250 |
5 |
| MaxLinear Asia Singapore Private Limited | 105 |
4 |
| MaxLinear, Inc. | 849 |
4 |
| British Telecommunications Public Limited Company | 2646 |
3 |
| Alcatel Lucent SA | 1563 |
3 |
| Ikanos Communications, Inc. | 86 |
3 |
| Telefonaktiebolaget LM Ericsson (publ) | 28507 |
3 |
| Alcatel-Lucent USA Inc. | 544 |
2 |
| Dolby Laboratories Licensing Corporation | 4222 |
2 |
| Assia SPE LLC, c/o The Corporation Trust Company | 93 |
2 |
| Marvell Asia PTE, Ltd. | 6407 |
2 |
| Cavium International | 4868 |
2 |
| Intel Germany GmbH & Co. KG | 107 |
2 |
| Mimirip LLC | 1406 |
2 |
| Other owners | 13 |