- All sections
- H - Electricity
- H04B - Transmission
- H04B 3/28 - Reducing interference caused by currents induced in cable sheathing or armouring
Patent holdings for IPC class H04B 3/28
Total number of patents in this class: 121
10-year publication summary
|
19
|
10
|
7
|
9
|
6
|
3
|
3
|
1
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| AT&T Intellectual Property I, L.P. | 9411 |
10 |
| NEC Corporation | 34993 |
6 |
| Microchip Technology Incorporated | 2783 |
6 |
| Qualcomm Incorporated | 83550 |
5 |
| Life Services, LLC | 26 |
5 |
| National Taiwan University | 1195 |
3 |
| PPC Broadband, Inc. | 1034 |
3 |
| The Boeing Company | 19956 |
2 |
| Renesas Electronics Corporation | 6102 |
2 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 41550 |
2 |
| SK Hynix Inc. | 11072 |
2 |
| TDK Corporation | 6626 |
2 |
| Yazaki Corporation | 6567 |
2 |
| Realtek Semiconductor Corp. | 3238 |
2 |
| Alpha & Omega Semiconductor, Ltd. | 97 |
2 |
| Corning Optical Communications LLC | 1789 |
2 |
| II-VI Delaware, Inc. | 1693 |
2 |
| Sagemcom Broadband SAS | 445 |
2 |
| Samsung Electronics Co., Ltd. | 142124 |
1 |
| Siemens AG | 24544 |
1 |
| Other owners | 59 |