- All sections
- H - Electricity
- H04B - Transmission
- H04B 3/30 - Reducing interference caused by unbalance current in a normally balanced line
Patent holdings for IPC class H04B 3/30
Total number of patents in this class: 152
10-year publication summary
|
19
|
19
|
17
|
8
|
15
|
7
|
6
|
5
|
4
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Texas Instruments Incorporated | 19376 |
12 |
| Sony Corporation | 32931 |
4 |
| AT&T Intellectual Property II, L.P. | 1075 |
4 |
| Microchip Technology Incorporated | 2644 |
4 |
| Cisco Technology, Inc. | 18858 |
3 |
| Huawei Technologies Co., Ltd. | 100781 |
3 |
| KFX Circuits and Systems Private Limited | 4 |
3 |
| MaxLinear, Inc. | 708 |
3 |
| Marvell Asia PTE, Ltd. | 6841 |
3 |
| Cavium International | 5549 |
3 |
| Qualcomm Incorporated | 76576 |
2 |
| Mitsubishi Electric Corporation | 43934 |
2 |
| NPX B.V. | 2204 |
2 |
| Continental Automotive GmbH | 5573 |
2 |
| Bayerische Motoren Werke Aktiengesellschaft | 13126 |
2 |
| Orange S.A. | 1379 |
2 |
| Corning Optical Communications LLC | 1741 |
2 |
| PPC Broadband, Inc. | 1017 |
2 |
| Rosenberger Hochfrequenztechnik GmbH & Co. KG | 677 |
2 |
| TE Connectivity Solutions GmbH | 2580 |
2 |
| Other owners | 90 |