- All sections
- H - Electricity
- H04B - Transmission
- H04B 3/03 - Hybrid circuits
Patent holdings for IPC class H04B 3/03
Total number of patents in this class: 27
10-year publication summary
|
6
|
9
|
9
|
4
|
3
|
1
|
1
|
1
|
1
|
1
|
| 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. | 9494 |
8 |
| Hubbell Incorporated (Delaware) | 87 |
3 |
| Cox Communications, Inc. | 477 |
2 |
| Fujitsu Limited | 18348 |
1 |
| Huawei Technologies Co., Ltd. | 111764 |
1 |
| Google Technology Holdings LLC | 2337 |
1 |
| ZTE Corporation | 42146 |
1 |
| Realtek Semiconductor Corp. | 3276 |
1 |
| Amphenol Antenna Solutions, Inc. | 22 |
1 |
| ARRIS Enterprises LLC | 3435 |
1 |
| Comcast Cable Communications, LLC | 4669 |
1 |
| DIRECTV, LLC | 782 |
1 |
| ENI S.p.A. | 1258 |
1 |
| iDevices, LLC | 20 |
1 |
| Lennox Industries Inc. | 1116 |
1 |
| Shadecraft, Inc. | 32 |
1 |
| Avago Technologies International Sales Pte. Limited | 8786 |
1 |
| Other owners | 0 |